POM GF25

Physical properties

	Value	Unit	Test method
Specific gravity	1.59	g/cm3	DIN EN ISO 1183
Average molecular mass	N/A
Water absorption, 24/96 h (23 °C)	0.07/0.2	%	DIN EN ISO 62
Weather-resistance	moderate
Combustibility	HB	UL 94	DIN EN ISO 527-2
Food safety	no

Mechanical properties

	Value	Unit	Test method
Modulus of elasticity	4200	MPa	DIN EN ISO 527-2
Tensile strength	51	MPa	DIN EN ISO 527-2
Elongation at break	9	%	DIN EN ISO 527-2
Tensile strength at break	12	%	DIN EN ISO 527-2
Flexural modulus	4100	MPa	DIN EN ISO 178
Flexural strength	88	MPa	DIN EN ISO 178
Compressive modulus	3600	MPa	EN ISO 604
Compressive strength, 1%/2%	23/39	MPa	EN ISO 604
Impact strength (Charpy)	36	kJ/m2	DIN EN ISO 179-1eU
Notch impact strength (Charpy)	N/A
Notch impact strength (Izod)	–	kJ/m2	DIN EN ISO 180/2A
Toughness (ball pressure)	180	MPa	ISO 2039-1
Toughness (Shore D)	N/A
Wear-resistance	N/A
Coefficient of friction (against steel)	N/A

Thermal properties

	Value	Unit	Test method
Glass-transition temperature	-60	°C	DIN 53765
Melting point	170	°C	DIN 53765
Operating temperature (instantaneous)	+140	°C
Operating temperature (continuous)	100	°C
Operating temperature (minimum)	N/A
Thermal expansion coefficient, 23–60 °C	8	10-5 K-1	DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C	8	10-5 K-1	DIN EN ISO 11359-1;2
Specific heat capacity	1.2	J/(g×K)	ISO 22007-4:2008
Thermal conductivity	0.47	W/(m×K)	ISO 22007-4:2008

Electrical properties

	Value	Unit	Test method
Surface resistivity	1014	Ω	DIN IEC 60093
Resistivity	1014	Ω×cm	DIN IEC 60093
Dielectric strength	N/A
CTI value	N/A

Optical properties

	Value	Unit	Test method
Light transmittance	N/A
Refractive index	N/A
Optical errors	N/A
Abrasion-resistance, 100 rotations with 500 g	N/A

Additional downloads

• Datasheet