Aramid-Ⅲ and Advanced Composite Material

FIRST FIBRE® Aramid-Ⅲ fibre, short for heterocyclic aromatic polyamide fibre and also referred to as heterocyclic aramid, is a kind of polymer fibre with its backbone composed of aramids and heterocycles. FIRST FIBRE® Aramid-Ⅲ, hailed as the super fibre in the engineering field, possesses more excellent thermal stability and mechanical properties than Kevlar para-aramid. The revolutionary emergence of the fibre resolved the drawbacks of Kevlar para-aramid such as poor resistance to UV light and damp-heat aging, and long-term operation in the temperature range of -196°C~330°C can be achieved by the fibre exposed to hostile working conditions in the nature. FIRST FIBRE® Aramid-Ⅲ, in either form of rope, belt, thread or cloth, have a safety life cycle of above 50 years without any surface treatment or protection.

 The density of the fibre is as low as 1.43g/cm3 with ultra-high strength/modulus,
high tenacity, resistance to high and low temperature, excellent electrical insulating property, radiation resistance, anti-corrosion property, fatigue resistance, flame retardance, etc.

 FIRST FIBRE® Aramid-Ⅲ fibre has entered into the land-sea-air military systems, aerospace science and technology as well as high-end civil applications which hold urgent demands for integrative advanced materials such as reinforced, lightening, ballistic protective, structural/wave-transmitting, structural/stealth and structural/functional materials.


Technical Characteristics of FIRST FIBRE® Aramid-Ⅲ Fibres

Project

Typical Features

Unit

Parameter

Basic Physical Properties

Density

g/cm3

1.43

Moisture Rate

%

≤2

Dielectric Constant

ε

2.8

Dielectric Loss

tanδ

0.001

Linear Density

dtex

230,430,588,1100

Thermal Properties

Heat Capacity

J/(kg.K)

25°C

0.94

100°C

1.95

180°C

1.15

Thermal Conductivity

W/(m.K)

0.04

Thermal Shrinkage in Air

19min.177°C

0.1%

LOI

%

42

Decomposition Temperature in Air

°C

600



Mechanical Properties of FIRST FIBRE® Aramid-Ⅲ Fibres

Typical Features

Unit

Grade

Parameter

Tensile Strength (dry)

cN/dtex

General

≥20.0

Industrial

≥22.5

Military

≥24.0

Aerospace

≥26.0

Tensile Strength (micro-plastic)

MPa

General

≥3900

Industrial

≥4200

Military

≥4500

Aerospace

≥5200

Modulus of Elasticity

GPa

/

155~175

 Note: The above parameters were obtained from production-line standard products rather than products in the laboratory.

FIRST FIBRE® Aramid-Ⅲ single plate

Typical Features

Parameter

Aramid

Interlaminar Shear Strength (ILSS) / MPa

75

Tensile Properties

Tensile Strength / MPa

2200

Tensile Modulus / GPa

115

Compressive Properties

Compressive Strength / MPa

≥220≥26

Compressive Modulus / GPa

≥100≥8.8

Bending Properties

Bending Strength / MPa

≥6006

Bending Modulus / GPa

≥72≥8.8



Properties of FIRST FIBRE® Aramid-Ⅲ NOL Rings

Typical Features

Parameter

Aramid

Tensile Strength / MPa

2200

Shear Strength / MPa

65


 ★Note: The diameter of the NOL ring was 150 mm with the width and thickness of the specimen being 6±0.2 mm and 1.5±0.1 mm, respectively.

 Aramid-Ⅲ advanced composite material (aerospace, air crafts, warships, ballistic protection, structure/wave transmission, structure/stealth, structure/ function, FMB special composite material, bullet-proof wave-transmitting radome,HI-TECH transportation)


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