- Materials
- Forms
-
Services
-
Services
-
-
Sectors
-
Supporting cutting edge research and development with advanced materials to your needs.
High performance materials for extreme conditions.
Innovative and lightweight materials with high mechanical properties and durability.
Materials used in chemical engineering from consumables to innovative solutions.
Advanced materials characterized by high electrical or insulation performance.
High quality materials for renewable energy.
Biocompatible and biodegradable materials to the highest standards.
High purity, biocompatible materials for high performance devices and applications.
High purity metals and alloys in various forms and crucibles suitable to your needs.
State of the art materials for the next generation of technologies.
High performance materials for extreme conditions.
Durable materials for corrosive environments.
Foils, disks or windows across a range of materials to facilitate your innovation.
Polymers, metal foils, and sustainable materials for your packaging needs.
Your requirements for unique products and attributes will be met across our 170,000+ product range and customization capabilities.
High-quality materials across branded products in various forms including rods, wires, and foils support space technology needs.
Highest quality materials to support your need for small-quantity specialist materials such as graphite and lithium compounds.
High purity materials to improve the reproducibility and reliability of your evaporation processes.
Academia Aerospace & Aeronautical Automotive Chemical Manufacturing Electronics and Bioelectronics Fuel Cells & Hydrogen Life Science and Biomaterials Storage & Batteries Vacuum Technology Mining and Metals Nanomaterials Nuclear Oil & Gas Optics Packaging Research & Labs Space Technology Medical Devices
-
-
Resources
-
Find out our latest news.
Read our latest insights, and opinions.
Discover our Innovation Discovered podcasts on innovation, products, interesting topics, and more.
Find out how we've worked with our partners
Our latest updates on what we are doing, find out more.
Find out more about us and the great roles we have available for talented individuals. Find out more.
Take a look at our global distributors.
Explore our FAQ resource to help answer your key questions.
Gain a clearer picture of the language used in scientific study
-
- About Us
Toggle Nav
Grade: DuPont™ Kevlar® 29
Formula: Polyparaphenylene terephthalamide
Form: Fiber
Material: Polyaramide
Commodity: Polymers
DuPont™ Kevlar® 29 is a polyaramid fiber offered in Goodfellow's range of fibers. This fiber exhibits high tensile strength and modulus while maintaining flexibility. Kevlar® 29 also has excellent thermal, impact, and cut resistance. This fiber finds use in a wide variety of applications including bulletproof vests, helmets, ropes and cables, brake pads, and composites. With its exceptional combination of strength, heat resistance, and chemical stability, Kevlar® 29 stands out as a high-performance fiber.
Tolerances
Fiber
| Filament Diameter | ±25% | |
|---|---|---|
| Number Of Yarns | ±10% | |
| Number Of Filaments | ±10% | |
| Tex Number | ±10% | |
| Length | +5% / -1% |
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Fair |
| Alcohols | Good |
| Alkalis | Good-Poor |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good |
| Ketones | Good |
Physical Properties
| Element | Value |
|---|---|
| Resistance to Ultra-violet | Fair |
| Water absorption( % ) | 3.5 |
| Water absorption - equilibrium( % ) | 3.5 |
| Density( gcm⁻³ ) | 1.44 |
Thermal Properties
| Element | Value |
|---|---|
| Lower working temperature( C ) | -200 |
| Upper working temperature( C ) | 180-245 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1400 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.04@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | -2Along Axis |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 59-124 |
| Tensile strength( MPa ) | 2760 |
Other Customers Purchased
-
DuPont™ Nomex® T993 Medium Density Polyaramid Film (Polymetaphenylene isophthalamide) Grade: DuPont™ Nomex® T993 - Medium Density Pressboard
Formula: Polymetaphenylene isophthalamide
Thickness: 1mm
Length 1: 150mm
Length 2: 150mm
Type: Pressboard
UOM Code: 071-621-74
eachStarting at $183.82
Discounts applied for volume purchases -
Polyaramid Film (Polymetaphenylene isophthalamide) Formula: Polymetaphenylene isophthalamide
Thickness: 0.05mm
Length 1: 200mm
Length 2: 304mm
Production Method: Calendered Paper
Type: DuPont™ Nomex® T410
UOM Code: 289-156-45
eachStarting at $176.17
Discounts applied for volume purchases -
Polybenzimidazole Film Formula: PBI
Thickness: 12mm
Length 1: 50mm
Length 2: 50mm
Colour: Black
UOM Code: 040-401-54
eachStarting at $348.91
Discounts applied for volume purchases -
each
Starting at $225.35
Discounts applied for volume purchases -
DuPont™ Nomex® T994 High Density Polyaramid Film (Polymetaphenylene isophthalamide) Grade: DuPont™ Nomex® T994 - High Density Pressboard
Formula: Polymetaphenylene isophthalamide
Thickness: 1mm
Length 1: 10mm
Length 2: 10mm
Type: Pressboard
UOM Code: 526-294-58
eachStarting at $154.33
Discounts applied for volume purchases -
DuPont™ Nomex® T992 Low Density Polyaramid Film (Polymetaphenylene isophthalamide) Grade: DuPont™ Nomex® T992 - Low Density Pressboard
Formula: Polymetaphenylene isophthalamide
Thickness: 1.5mm
Length 1: 100mm
Length 2: 100mm
Type: Pressboard
UOM Code: 234-998-38
eachStarting at $181.61
Discounts applied for volume purchases
