No.

Physical Properties

Index

1

Moisture regain

NO

2

Hot water shrinkage

<1%

3

Hydrophilicity

No

4

Acid resistance

Fine

5

Alkali resistance

Fine

6

Resistance to many chemical reagents

Fine

7

Anti-UV

Durable

8

Melting point

135-145°C

9

Thermal conductivity (along fiber axis)

20w/mk

10

Coefficient of thermal expansion

-12 x 106 /K

11

Resistance

>1014Ω

12

Dielectric constant (22°C,10GHhz)

2.25

13

Dissipation factor

2 x 10-4

14

Dielectric strength

900kV/cm

15

Creep deformation (22°C, 20%Load)

1 x 10 -2% Per Day

No.

Chemical Reagent

Strength Retention after 6-month infiltration

1

Distilled water

100

2

Sea water

100

3

10% Detergent

100

4

Kerosene

100

5

Gasoline

100

6

Glacial acetic acid

100

7

10% Phosphoric acid

100

8

Toluene

100

9

Ammonium hydroxide

100

10

29% NH4OH

100

11

5mol/L NaOH

100

12

1 mol/L HCl

100

13

Clorox Liquor (contain 0.525%NaClO)

91

Fiber

Test

Remained Strength

Other Chemical Fiber

Exposed to ultraviolet radiation for 1500 hrs

40%

LYLON Fiber (UHMWPE Yarn)

Exposed to ultraviolet radiation for 1500 hrs

90%

Fiber Processing characteristics

LYLON Fiber

Aramid Fiber 29

Aramid Fiber 49

Carbon Fiber (High Strength)

Carbon Fiber (High Modulus)

Abrasion resistance (Circle index before breakage)

>110 x 103

9.5 x 103

5.7 x 103

20

120

Bending resistance (Circle index before breakage)

>240 x 103

3.7 x 103

4.3 x 103

5

2

Cohesion strength (g/d)

10-15

6-7

6-7

0

0

Looping strength (g/d)

12-18

10-12

10-12

0.7

0.1

Trademark

Specification

Application reference

Strength

Modulus

Elongation (%)

cN/dtex

g/d

GPa

cN/dtex

g/d

GPa

LY-40

≥35.3

≥40

3.4

≥1147

≥1300

111

≤4.0

Military products

LY-35

≥31.8

≥35.0

3.0

≥970

≥1100

94

≤4.0

Bulletproof products

LY-30

≥27.3

≥30.0

2.6

≥882

≥1000

85

≤4.0

Bulletproof products

LY-25

≥22.7

≥25.0

2.1

≥794

≥900

77

≤4.0

Ropes and nets ,etc