UHMWPE Fabric

How to Use a Carbon Fiber Prepreg Cutting Device

Carbon fiber prepreg (pre-impregnated) is a high-performance material used in industries like aerospace, automotive, marine, sports equipment, and advanced composites manufacturing. Prepreg consists of carbon fiber sheets pre-impregnated with a precisely measured epoxy resin system.

How to Reinforce with Carbon Fiber Fabric

Carbon fiber fabric is widely recognized for its exceptional strength-to-weight ratio, flexibility, and durability. These properties make it a preferred material for reinforcing various structures across industries like construction, automotive, aerospace, and marine engineering.

How to Maintain and Care for Carbon Fiber Fabric

Carbon fiber fabric is renowned for its strength, lightweight nature, and modern aesthetics. Used in applications ranging from aerospace and automotive components to sporting goods and home improvements, carbon fiber fabric is both versatile and durable.

The Manufacturing Process of Carbon Fiber Fabric

Carbon fiber fabric is an advanced material known for its exceptional strength-to-weight ratio, high durability, and resistance to extreme temperatures. It is widely used in industries ranging from aerospace and automotive to sports equipment and consumer goods.

Five major development trends of carbon fiber in 2025

The world is looking for better and greener materials. The carbon fiber industry is set for big changes in 2025. Five major trends will shape its future.

Carbon Fiber Fabric in Everyday Life: Strength, Innovation, and Versatility

Carbon fiber fabric, with its unique blend of lightweight strength, flexibility, and durability, is transforming industries and finding its way into everyday applications.

Title: The Applications of Carbon Fiber in Everyday Life

Carbon fiber, known for its strength, durability, and lightweight properties, has made its way beyond traditional high-performance industries and is now becoming increasingly relevant in everyday life. Initially used in aerospace engineering, sports cars, and military equipment, carbon fiber's availability has grown due to advancements in manufacturing and cost efficiency.

The Applications of Carbon Fiber in DIY Projects: Strength, Style, and Innovation

The Application of Carbon Fiber in Automotive Manufacturing: Revolutionizing Car Design and Performance

In recent decades, carbon fiber has emerged as a revolutionary material in the automotive industry, offering significant advantages in terms of weight reduction, strength, durability, and fuel efficiency. As global demand for more fuel-efficient, eco-friendly, and high-performance vehicles increases, the role of lightweight materials such as carbon fiber has become even more crucial.

The Future of Carbon Fiber: Advancements, Opportunities, and Challenges

Carbon fiber is a revolutionary material that has already transformed industries such as aerospace, automotive, construction, and sports. Known for its lightweight, strength, and resistance to corrosion, carbon fiber has become synonymous with high-performance materials. However, its full potential remains untapped, and ongoing research continues to explore ways to enhance its properties, expand its applications, and address current limitations.

The Role of Carbon Fiber in the Drone Industry: Revolutionizing Flight with Lightweight Strength

In recent years, the drone industry has experienced rapid growth, driven by advancements in technology, increasing demand for aerial surveillance, logistics, and recreational use. The integration of cutting-edge materials, such as carbon fiber, has significantly contributed to the drone’s performance, particularly in enhancing its strength-to-weight ratio, durability, and aerodynamic efficiency.

Introduction: The Distinctive Properties of Carbon Fiber and Graphene

Carbon fiber and graphene both fall under the category of carbon-based materials, but their characteristics diverge significantly. Carbon fiber is a strong, lightweight material made from carbon filaments that are woven together and then reinforced with a polymer matrix. It is known for its exceptional strength-to-weight ratio, durability, and resistance to heat and corrosion.

10 Key Advantages of Carbon Fiber

Carbon fiber, also known as carbon fiber reinforced polymer (CFRP) when used as a composite material, has revolutionized various industries due to its remarkable properties. Lightweight, strong, durable, and versatile, carbon fiber has proven to be an ideal material in a range of applications, from aerospace to automotive and sports equipment.

Everything You Need to Know About Carbon Fiber

Carbon fiber, a material of unparalleled versatility, has profoundly influenced the realm of modern material science. Its exceptional strength and lightweight properties have transformed manufacturing across sectors such as automotive, aerospace, and sports equipment.

Exploring New Material 2025: Future of Innovation

As we gaze into the technological and innovative future, the notion of New Material 2025 stands as a crucial catalyst in shaping future technological landscapes. These materials transcend mere novelty, embodying a transformative paradigm poised to revolutionize industrial applications across diverse sectors.

Revolutionary New Material Reshaping Construction Industry

Experts like architects and engineers love this material. They say it performs well, has a big impact, and is changing the industry. Their feedback is very positive.The construction industry is on the verge of a major change. A new material is coming that will change how we build. It will make buildings stronger, more sustainable, and cheaper to build.

Find Your Ideal New Material Supplier Today

In today's fast-paced business world, finding the right materials is key. It ensures your products are top-notch, keeps costs down, and keeps you ahead of the competition. Whether you make products, build buildings, or sell goods, the right supplier is crucial for your success.

Camouflage Carbon Fiber – Ultimate Style & Protection

Camouflage carbon fiber embodies a fusion of stylish protection and resilience, emerging from the forefront of carbon fiber technology. It seamlessly integrates aesthetic appeal with superior performance attributes. The incorporation of camouflage patterns not only elevates its visual appeal but also amplifies its practical advantages over conventional carbon fiber.

Ultimate Guide to Camouflage Carbon Fiber Materials

Camouflage Carbon Fiber: Premium Military-Grade Material

In modern warfare, the need for new, high-performance materials is key. Camouflage carbon fiber is a top choice, known for its strength, lightness, and stealth. It's becoming a favorite among military and law enforcement for its advanced gear.

Discover Revolutionary New Materials for Modern Innovation

The world of advanced materials is changing fast, bringing new tech breakthroughs. These innovations are changing fields like aerospace and medicine. They're making new solutions that change what we think is possible.

Composite Manufacturer: Quality Materials & Service

We are a top composite manufacturer focused on quality. We serve many industries with composite materials and great service. Our goal is to innovate and be reliable, offering composite solutions that fit each customer's needs.

High Quality Composite Manufacturer | Innovative Solutions

In the fast-paced world of materials engineering, ABC Composite stands out. They are High Quality the way with innovative composite solutions. These solutions are changing industries worldwide. ABC Composite is known for its excellence and drive for new ideas.

UHMW Polyethylene Plastic: Versatile & Durable Material

Ultra-high molecular weight polyethylene (UHMW-PE) is a top-notch plastic. It's known for being super durable, having low friction, and being very versatile. This material is great at handling heavy wear and tear. It's a favorite in many industrial and commercial settings.

UHMW: Ultimate Guide to Ultra-High Molecular Weight

UHMW is known for its strength and durability. It's used in many fields, including industry, transportation, and medicine. This material is set to change how we solve engineering problems.

Kevlar vs Carbon Fiber: Strength, Cost & Uses

"Understanding the Differences Between Aramid and Carbon Fiber" explores the key distinctions between these two advanced materials. The article covers their unique properties, applications, and performance in various industries. Learn how aramid fibers, known for their exceptional toughness and heat resistance, compare to carbon fibers, celebrated for their high strength-to-weight ratio and stiffness. This guide will help you make informed decisions when choosing the right material for your needs.

Carbon Fiber 3D Printing Guide: A Comparison with Traditional Materials and Methods

Ever wondered if carbon fiber can be 3D printed? Explore the world of carbon fiber 3D printing and learn how this innovative technology is reshaping the manufacturing landscape. From specialized 3D printers that can handle carbon fiber materials to the unique ways in which 3D printing supports and enhances traditional carbon fiber fabrication techniques, this guide will provide insights into the capabilities and benefits of integrating 3D printing into your production process.

Meet Army 2024: Impact Materials Is Ready !

List Top5 Carbon Fiber Manufacturers in China

China is leading the way in making carbon fiber. The country has the best companies making top-notch carbon fiber. They use it to make strong materials for many industries worldwide. We will look at the top5 carbon fiber manufacturers in China. You'll see what they're good at, where they are, how long they've been working, what they make, and where they sell their products.

Kevlar Hybrid Carbon Fiber Fabric – High-Performance Material

Kevlar Hybrid Carbon Fiber Fabric is leading the way in advanced composites. It mixes the strong points of carbon fiber with Kevlar to create a high-strength fabric. It is perfect for projects needing durability and the ability to withstand force. This makes the fabric key in aerospace and bulletproof gear.

What to Consider When Buying a Kevlar Bulletproof Vest

Looking to buy a kevlar bulletproof vest is more than just a purchase. It's a significant step for your safety. This is true for both law enforcement officers and individuals seeking personal protection. When choosing a vest, consider protection level, durability, quality, and fit. These factors determine how well the vest works when it truly matters.

Hydro Dip Carbon Fiber VS Real Carbon Fiber

Are you updating your car, making unique items, or just interested in new materials? It's important to know how hydro dip carbon fiber compares to the real thing. Every choice you make can really change how your project turns out. We're here to guide you clearly and confidently through these decisions.

Honeycomb Carbon Fiber 3K240G

Honeycomb carbon fiber is a remarkable material that represents a major breakthrough in composite technology. By utilizing the inherent strength and durability of carbon fiber and combining it with a unique, honeycomb-like structure, this material has become a go-to option for engineers and designers who demand the best of both worlds.

Carbon Fiber Sleeve Solutions for Prosthesis

Is carbon fiber 100% carbon?

Carbon fiber is a renowned material known for its exceptional strength, low weight, and versatility. It finds applications in various industries, including aerospace, automotive, and sports equipment. But when we talk about carbon fiber's composition, is it truly made entirely of carbon?

Top10 Applications of Carbon Fiber

From aerospace components to sporting equipment, these advanced composites are being leveraged for their unparalleled assets. As we delve deeper, we uncover the vast potential that these fibers hold for industries using carbon fiber, who are continuously innovating to meet the demands of the future.

What an Exciting and Successful AFF Show in Vietnam

Hangzhou Impact New Materials Co., Ltd has recently attended the International Textile Expo in Vietnam that took place from March 27th to March 29th. This was the perfect opportunity for us to showcase our quality products to the Vietnamese market and to establish new business partnerships in the region.

Why Carbon Fiber Is So Expensive

Carbon fiber has gained immense popularity in various industries due to its unique combination of lightweight agility and high strength. From automotive to aerospace applications, carbon fiber has become a game-changer, revolutionizing the way products are designed and manufactured.

What is forged carbon fiber?

What sets forged carbon fiber apart is its versatility. Its superior properties make it ideal for a wide range of applications, from aerospace components to luxury automotive parts. In fact, its use in high-performance vehicles has become a benchmark for engineering excellence and cutting-edge design

10 Things You Don’t Know About Carbon Fiber Cloth

Whether you're an engineer, a sports enthusiast, or simply curious about innovative materials, this article will provide you with surprising facts and insights about carbon fiber cloth that will expand your understanding and appreciation for its uses and properties.

Construction Process of unidirectional carbon fiber cloth

Unidirectional carbon fiber cloth is revolutionizing the construction industry with its advanced properties and versatile applications. As a carbon fiber fabric that finds its roots in aerospace materials, it has become an essential component in composite materials used for construction projects.

Carbon Fiber vs Aluminium: Strength & Weight Debate

In this article, we will delve into the ongoing debate between carbon fiber and aluminium, examining their unique strengths, weights, and performance traits. Whether you're looking to enhance the performance of a sports car, construct a lightweight aircraft, or design a durable bicycle frame, the choice between carbon fiber and aluminium is a critical decision that can greatly impact the success of your project.

Main Differences Between Dry Carbon Fiber And Wet Carbon Fiber

Welcome to our article where we explore the main differences between dry carbon fiber and wet carbon fiber. If you're interested in lightweight and high strength carbon fiber, this is the article for you. We'll discuss the characteristics, manufacturing processes, and applications of both dry and wet carbon fiber.

UHMWPE: Discover the Strength & Versatility

At the intersection of innovation and resilience, Ultra High Molecular Weight Polyethylene (UHMWPE) stands as a silent revolution in material sciences. Explore the world where durability meets versatility head-on, championing the operational longevity that engineers and product designers across various industries not only seek but require.

Carbon Fiber Pickleball Paddle: Play Like a Pro

Discover the power, precision, and exceptional durability of our carbon fiber pickleball paddle. This high-performance paddle is designed to take your game to the next level with its lightweight construction and unmatched durability.

Understanding UHMWPE Properties: A Quick Guide

This guide embarks on an exploration of the essential UHMWPE properties, delving into the matrix of advantages that affords versatility across a diverse range of industries. Boasting a plethora of benefits, from extreme durability to high impact resistance, UHMWPE stands as a testament to innovative engineering materials.

Top 5 Bulletproof Fabric Materials Explained

Welcome to our guide on bulletproof fabric materials! In this article, we will dive into the world of protective gear and explore the top 5 materials used to create bulletproof fabrics. Whether you're interested in personal safety or fascinated by the science behind these advanced materials, we've got you covered.

Carbon Fiber vs Aromotic Tubular: Pros & Cons

Welcome to our in-depth guide on carbon fiber tubular versus aromatic tubular materials in high-performance applications. When it comes to choosing the right material for your project, understanding the pros and cons of each option is crucial.

Aramid Honeycomb Supplier – Composite Materials Expert

Welcome to Impact Materials, your trusted aramid honeycomb supplier and composite materials expert. With years of experience in the industry, we are committed to providing high-quality products and unmatched expertise to meet your specific needs.

Why Make Drones Out of Carbon Fiber?

Drones have quickly gained popularity and accessibility in recent years. A significant factor behind their development is the use of carbon fiber composites as the primary material. Carbon fiber, renowned for its lightweight yet strong properties, has a long history in aerospace and other industries.

Carbon Fiber Advancements in Sports Industry

Carbon fiber technology has had a significant impact on the sports industry in recent years. The use of carbon fiber composites has enhanced the design and performance of sports equipment, making it lighter, stronger, and more durable.

Carbon Fiber vs Fiberglass: Key Differences

When it comes to materials commonly used in construction, manufacturing, and various other industries, two popular options are carbon fiber and fiberglass. While both materials are lightweight and sturdy, they have unique properties that differentiate one from the other.

UHMWPE UD Fabric: Advanced Protective Solutions

When it comes to ballistic protection, traditional materials can be heavy, bulky, and restrictive. Enter UHMWPE UD fabric – a lightweight armor material that provides superior protection without sacrificing mobility or comfort.

Who Invented Kevlar? Discover the Creator’s Identity

In this article, we'll explore the origins and history of Kevlar and reveal the identity of the incredible mind who invented it. Join us as we take a closer look at Stephanie Kwolek and her pioneering work on high-strength fibers that changed the world.

Ultra-Strong UHMWPE Rope for Marine & Outdoor Use

If you're an enthusiast of marine and outdoor activities, you know how important it is to have reliable and durable equipment. One of the items that should be at the top of your list is UHMWPE rope.

Carbon Fiber vs Titanium: Strength & Weight Battle

While both are known for their strength and durability, they also have their unique properties that set them apart. In this article, we will compare the strength and weight of carbon fiber and titanium and evaluate how they perform in various applications.

What is Prepreg Composite

Prepreg composite is a revolutionary high-performance material that is transforming industries with its exceptional strength and versatility. It is a composite material made of resin matrix and reinforcement fibers that provide unmatched mechanical properties, making it an ideal choice for various applications.

Do Carbon Fiber Bike Frames Tend to Crack After 5 Years?

In this article, we will delve into the science behind carbon fiber frames, examine their reputation for cracking, and determine whether these concerns are valid. We'll also provide practical tips to extend the lifespan of your carbon fiber frame, so you can confidently ride without fear of damage.

Carbon Fiber Density: Facts and Insights

When it comes to high-performance materials, carbon fiber has become a popular choice in a wide range of industries due to its exceptional strength and light weight. But, what exactly is carbon fiber density, and why is it important?

Carbon Fiber vs Titanium: Strength & Weight Compared

In this article, we will explore and compare carbon fiber and titanium in terms of their strength and weight, giving you a better understanding of their performance capabilities and ideal applications.

Factors Affecting the Quality of Carbon Fiber Cloth

Whether you're purchasing carbon fiber cloth for the aerospace industry, automotive sector, or sporting goods applications, understanding the key quality influencers is crucial to ensure optimal performance and results.

Carbon Fiber Resin – A Complete Guide

By understanding the properties, manufacturing process, and applications of carbon fiber resin, you can make informed decisions about its usage in manufacturing processes.

Impact Materials: A High Quality Carbon Fiber Supplier

Hangzhou Impact New Materials Co., Ltd. is a renowned carbon fiber supplier, catering to various industries with its cutting-edge composites for advanced applications. With years of expertise in carbon fiber production,

Aramid Bulletproof Vest: Advanced Body Armor Protection

Aramid bulletproof vests are a type of body armor designed to provide superior ballistic protection. They are made from an advanced material known as aramid, which is a synthetic fiber that combines high strength with exceptional flexibility.

UHMWPE Sheet Suppliers | Best Prices & Quality

Ultra-high molecular weight polyethylene (UHMWPE) sheet is a plastic material known for its strength, toughness, and durability. It is composed of long chains of polyethylene molecules, which give it its exceptional properties.

Top 5 Sports Brands Using Carbon Fiber Insoles

Carbon fiber insoles are an innovative footwear technology composed of lightweight and durable carbon fibers. Due to their unique composition, carbon fiber insoles offer several benefits for athletic performance, particularly in activities that require running or jumping.

Advanced Carbon Fiber Prosthetic Limbs Guide

Carbon fiber prosthetic limbs are the latest innovation in the field, providing high-performance artificial limb solutions for individuals who have undergone amputations. These advanced prosthetics are designed to meet the unique needs of amputees, offering improved mobility, functionality, and comfort.

5 Controversies About Forged Carbon Fiber

Professionals and amateurs alike are weighing in on the performance of lightweight materials, opening the floor to multipart discussions about the benefits and drawbacks of this innovative composite.

Classifications And Applications of Chopped Carbon Fiber

Carbon fiber is a versatile material with excellent strength and stiffness properties. When chopped into small strands, it becomes chopped carbon fiber, a reinforcement material used widely in various industries. Chopped carbon fiber is used in composites to enhance their strength, durability, and impact resistance.

Market Forecast of Aramid Fiber in The Next Decade

Aramid fiber, also known as Kevlar, is a powerful synthetic material that has become an essential component of modern industries, from aerospace to automotive and construction. The demand for aramid fiber is expected to increase in the next decade due to its unique properties, versatility, and superior performance.

5 Tips to Distinguish Fiberglass and Carbon Fiber Products

When it comes to choosing the right material for your project, understanding the differences between fiberglass and carbon fiber is crucial. With both materials possessing distinct properties and characteristics, making an informed decision can be daunting.

Application of Carbon Fiber in Speedboats

Carbon fiber is a unique material that is lightweight yet incredibly strong and durable, making it highly sought-after in the construction of speedboats. Its strength is attributed to the carbon atoms that are tightly bonded to form long, thin fibers that are then woven together to form a fabric-like material.

Your Guide to Tactical Helmets – Check Now!

Whether you're in the military, law enforcement, or an outdoor enthusiast, protection is vital. Tactical helmets offer excellent protection and functionality in high-risk situations. But with so many options available, it can be challenging to choose the right one to suit your specific needs.

All You Need to Know About Aramid Fiber

The main products of aramid are meta-aramid and para-aramid. Aramid fiber is a synthetic fiber made from aromatic raw materials through polycondensation spinning.

Ultra-high Molecular Weight Polyethylene in Defense Industry

The proportion of military expenditures in GDP of many countries, including the United States, the European Union, Russia, and China, has increased in recent years, driving a slight increase in the proportion of global military expenditures in GDP.

Carbon Fiber Industry Analysis 2023

It is expected that global carbon fiber demand will grow to 150,000 tons and 200,000 tons by 2023 and 2025, with growth mainly driven by demand in the wind power blade field.

UHMWPE Global Market Sales May Reach US$2.7 Billion in 2030

In 2023, sales are projected to reach a staggering $1.6 billion, with further growth anticipated to bring in a potential $2.7 billion by 2030. This impressive growth is expected to continue at a compound annual growth rate (CAGR) of 7.84% during the period of 2023 to 2030.

Carbon Fiber Filament VS Carbon Fiber Yarn

Carbon fiber raw material comes in two primary forms: filament and yarn. Although they both comprise carbon fibers, there are significant differences between the two materials in terms of structure, properties, and applications.

What Are Carbon Fiber Composites Most Afraid of?

Are carbon fiber composites really that perfect? Despite being light, strong, and tough, do they have any drawbacks to consider? Did you know even strong materials, like carbon fiber composite panels, can be vulnerable to sharp objects? It's true!

15 Things You Didn’t Know About Carbon Fiber

Are you aware of the amazing properties of carbon fiber? This material has taken several industries by storm with its exceptional strength-to-weight ratio, making it highly sought-after. In this article, we will explore fascinating facts and lesser-known aspects of carbon fiber.

What Materials Can be Used for Military Helmets

Military helmets are essential protective gear used by soldiers in combat situations. The helmets must be durable, lightweight, and able to provide effective head protection against ballistic threats and other hazards that soldiers may encounter in the field

Kevlar Helmet vs. UHMWPE Helmet

In this article, we'll compare the features, performance, and durability of these two helmets to determine which one comes out on top.

What is Carbon Fiber Wrap?

Carbon fiber wrap is a versatile material that has become increasingly popular in recent years. It is a thin sheet of vinyl, designed to mimic the look and feel of real carbon fiber.

Chopped Carbon Fiber: How to Choose the Ideal Specification

In this section, we will guide you through the factors to consider and help you make informed choices for your specific needs.

Is UHMWPE Taking Over the Kevlar Market?

As high-strength fibers continue to gain traction, it's essential to understand the market shifts, technological advancements, and underlying reasons for the increasing adoption of UHMWPE in protective gear.

NIJ IV Bulletproof Armor Solution with uhmwpe fabric

Discover the groundbreaking advancements in personal ballistic protection by exploring the world of NIJ IV bulletproof armor made with UHMWPE fabric.

Kevlar Carbon Fiber VS. Carbon Fiber

In this article, we will delve into the differences between Carbon Fiber and Kevlar Carbon Fiber, examine their respective pros and cons, and explore the industries where they are ideal for use.

Is Carbon Fiber Powder Expensive? Your Guide to Cost

In this comprehensive guide, we will explore the factors that influence its cost and provide you with a clear understanding of the pricing dynamics in the carbon fiber powder market.

Discover NIJ IV Soft Armor Made with Durable UHMWPE Materials

If you're looking for the best possible protection in high-risk situations, NIJ IV soft armor made with UHMWPE materials should be at the top of your list.

Benefits of Chopped Carbon Fiber

In this article, we will explore the various industries and applications that can benefit from using chopped carbon fiber.

Your Top Choice: Durable UHMWPE Woven Fabric for Any Project

UHMWPE woven fabric is a superior quality material that offers unparalleled durability and strength for a wide range of applications.

UHMWPE & Aramid Ballistic Materials Guide

Discover the essential guide on UHMWPE and Aramid, powerful materials utilized in ballistic equipment for optimum protection. Unravel their superiority now!

NIJ IIIA Rated UHMWPE Plate – Bulletproof Body Armor Solution

Experience Level 4 Body Armor with UHMWPE Fabric Protection

When it comes to protective gear, Level 4 Body Armor is the highest level of protection available in the market. It is designed to provide robust protection against ballistic threats and ensure the safety of individuals in high-risk situations

Discover UHMWPE Sheet Solutions for Soft Armor Protection

UHMWPE (Ultra High Molecular Weight Polyethylene) sheets are made from a lightweight material that can provide ballistic protection while remaining flexible and comfortable to wear.

How to Carbon Fiber Your Bike: A Complete Guide

If you're looking to upgrade your ride and enhance your cycling experience, learning how to carbon fiber your bike is essential. Carbon fiber bikes are made from thin, strong filaments of carbon that are used in various industries, including race cars and aerospace.

Carbon Fiber Material-Overview

​There are a lot of different ways that people can use carbon fiber in their lives. For some people, it is a way to make their car or truck look more stylish.

Application of UHMWPE Material in the Bulletproof Field

UHMWPE plays a significant role in the bulletproof industry by providing a lightweight, durable, and effective solution for enhancing safety and protection.

Understanding Reinforced Plastics Material: A User’s Friendly Guide

We will explore the world of reinforced plastics. Reinforced plastics, also known as plastic composites or composite materials, are a combination of a polymer matrix and reinforcing fibers.

Bidirectional Carbon Fiber Cloth

Many people think that a full carbon fiber car costs more than a house. Don't think this is a rumor, it's true！

Influence of Nuclear Water on Composite Materials

The relationship between nuclear pollution and composite materials such as fiberglass, carbon fiber and kevlar and what is the influence.

Carbon Fiber-King of Chemical Fiber

Carbon fiber has a wide range of applications, from aerospace to sports equipment, and it is considered the king of chemical fiber.