physical performance

Standard

Unit

UHMWPE-M4

              physical performance

-

-

-

Density

GB1033-86

g/cm3

0.98

Water absorption

GB1034-86

%

< 0.01

Maximum allowable working temperature (not subjected to high stress

-

-

-

Max temperature

-

°C

90

Minimum temperature

-

°C

-269

Mechanical properties

-

-

-

Tensile yield strength

GB1040-79

MPa

21

Ultimate tensile strength

GB1040-79

MPa

38

Tensile yield elongation

GB1040-79

%

12

Tensile elongation at rupture rate

GB1040-79

%

340

              Modulus of elasticity for tension

GB1040-79

MPa

820

Cantilever beam impact strength (gap)

GB1843-80

KJ/m2

Not broken

Flexural strength

GB9341-88

MPa

26

Modulus of elasticity in static bending

GB9341--88

MPa

760

Compressive strength(deformation 10%)

GB1041-79

MPa

27

Modulus of elasticity in compression

GB1041-79

MPa

550

Shear strength

GB1041-79

MPa

33

Hardness

GB2411-80

SHORE D

65

Static friction coefficient

GB10006-88

-

0.07-0.15

Coefficient of kinetic friction

GB10006-88

-

0.07-0.11

              Thermal property

GB1036-89

°C-1

1.5×10-4

Coefficient of thermal conductivity( 23 °C)

GB3399-82

Cal/cm sec °C

8.5×10-4

Specific heat( 23 °C)

GB3399-82

Cal/g°C

0.44

Electric properties

-

-

-

Volume resistivity

GB1410-78

Ohm cm

>1015

Surface resistivity

GB1410-78

Ohm

>1015

Dielectric constant( 1MHZ )

GB1409-78

-

3

Dielectric strength

GB1408-78

Kv/mm

70