ITEM

METHOD

UNIT

VALUE

Autai ESD POM Mechanical Properties

Specific gravity

ASTM D792

g/cm3

1.32

Tensile yield strength

ASTM D638

Mpa

70

Breaking elongation

ASTM D638

%

22

Bending strength

ASTM 790

Mpa

100

Flexural modulus

ASTM 790

Mpa

2800

Shore hardness

ASTM D2240

D

80

Impact strength

ASTM D256

J/M

50

Autai ESD POM Thermal Properties

Melting point

DSC

℃

170

Heat distortion temperature

ASTM D648

℃

120

Operating temperature

-

℃

100

Maximum operating temperature

-

℃

130

Thermal conductivity

DIN 52612-1

W/(K-M)

0.33

Coefficient of linear thermal expansion

ASTM D696

10-5-1/K

13

Autai ESD POM Electrical Properties

Dielectric strength

ASTM D150

KV-mm

-

Dielectric loss factor

ASTM D150

-

-

Volume resistivity

ASTM D257

Ω.cm

10^6-10⁹

Surface resistivity

ASTM D257

Ω

10^6-10⁹

Dielectric constant

ASTM D149

-

-

Autai ESD POM Chemical Properties

Water absorption

23℃ 60%RH

%

0.26

Acid resistance

23℃ 60%RH

+

Alkali resistance

+

Acid and alkali resistance

+

Resistance to sodium chlorate

0

Resistance toaromatic compounds

+

Resistance to ketone

23℃ 60%RH

+

Resistance to hot water

23℃ 60%RH

+

Others

Flammability

UL 94

HB

Viscosity

-

+

Non toxic

EEC 90/128 FDA

+

Coefficient of friction

DIN 53375

-

Anti-ultraviolet

-

0