Pom Sheet

TECHNICAL PROPERTIES FOR POM SHEET

ITEM	METHOD	UNIT	VALUE
Mechanical Properties
Mechanical Properties	G41A1C1:C1:G40
Specific gravity	ASTM D792	g/cm3	1.43
Tensile yield strength	ASTM D638	Mpa	60
Breaking elongation	ASTM D638	%	30
Bending strength	ASTM 790	Mpa	100
Flexural modulus	ASTM 790	Mpa	2800
Shore hardness	ASTM D2240	D	85
Impact strength	ASTM D256	J/M	74
Thermal Properties
Melting point	DSC	℃	165
Heat distortion temperature	ASTM D648	℃	130
Operating temperature	-	℃	100
Maximum operating temperature	-	℃	150
Thermal conductivity	DIN 52612-1	W/(K-M)	0.31
Coefficient of linear thermal
expansion	ASTM D696	10-5-1/K	13
Electrical Properties
Dielectric strength	ASTM D150	KV-mm	19
Dielectric loss factor	ASTM D 150		0.01
Volume resistivity	ASTM D257	Ω.cm	1014
Surface resistivity	ASTM D 257	Ω	1016
Dielectric constant	ASTM D 149		3.7
Chemical Properties
Water absorption	23℃ 60%RH	%
Acid resistance	23℃ 60%RH	+
Alkali resistance		+
Acid and alkali resistance		+
Resistance to sodium chlorate		0
Resistance to aromatic
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	DIN53375		0.35
Anti-ultraviolet 0	⁻		0