ESD POM

Copolyoxymethylene

It is an antistatic material made of polyformaldehyde as a substrate, with a temperature of -40-100°C, which is very suitable for machining on automatic lathes, especially suitable for manufacturing precision parts.

Physical property table Physical property table download

Advantage

Characteristic：

Wear-resistant, high rigidity, high hardness, good mechanical properties, good self-lubrication performance, no water absorption.

Information

Shape		Colour

Plate	Bar	Black	Beige

Plate
Thickness（mm）	Breadth（mm）	Length（mm）
6-200	610/1000	1220

Bar
Diameter（mm）	Length（mm）
6-200	1000

Mechanical Properties

Specific gravit	ASTM D792	g/cm3	1.32
Tensile yield strength	ASTM D638	Mpa	70
Breaking elongation	ASTM D638	%	22
Bending strength	ASTM D790	Mpa	100
Flexural modulus	ASTM D790	Mpa	2800
Shore hardness	ASTM D2240	D	80
Impact strength	ASTM D256	J/M	50

Thermal Properties

Melting point	DSC	°C	170
Heat distortion temperature	ASTM D648	°C	120
Operating temperature	-	°C	100
Maximum operating temperature	-	°C	130
Thermal conductivity	DIN 52612-1	W/(K-M)	0.33
Coefficient of linear themal	ASTM D696	10-5-1/K	13

Electrical Properties

Dielectric strength	ASTM D150	KV-mm	-
Dielectric loss factor	ASTM D150	-	-
Volume resistivit	ASTM D257	Ω.cm	10^6-9
Surface resistivity	ASTM D257	Ω	10^6-9
Dielectric constant	ASTM D149	-	-

Chemical P roperties

Water absorption	23°C 60%RH	%	0.26
Acid resistance	23°C 60%RH		+
Alkali resistance			+
Acid and alkali resistance			+
Resistance to sodium chlorate			0
Resistance to aromatic compounds			+
Resistance to ketone	23°C 60%RH		+
Resistance to hot water	23°C 60%RH		+