Röchling SUSTARIN® H AF POM/Acetal Homopolymer

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Röchling SUSTARIN® H AF POM/Acetal Homopolymer
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Homopolymer, Unreinforced
Material Notes:	Delrin AF Blend Good dimensional stability Very good sliding properties Very wear resistance Product applications: Mechanical engineering Electrical industry Materials handling industry Information provided by Röchling.
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Physical Properties	Metric	English	Comments

Density	1.50 g/cc	0.0542 lb/in³	ASTM D792
Water Absorption	0.80 %	0.80 %	ASTM D570
	0.20 % @Time 86400 sec	0.20 % @Time 24.0 hour	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	85	85	ASTM D785
Hardness, Rockwell R	115	115	ASTM D785
Hardness, Shore D	85	85	ASTM D2240
Tensile Strength, Yield	55.2 MPa	8000 psi	ASTM D638
Elongation at Break	20 %	20 %	ASTM D638
Tensile Modulus	2.83 GPa	410 ksi	ASTM D638
Flexural Strength	86.2 MPa	12500 psi	ASTM D790
Flexural Modulus	3.10 GPa	450 ksi	ASTM D790
Compressive Strength	103 MPa	15000 psi	ASTM D695
Izod Impact, Notched	0.374 J/cm	0.700 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	1.00e+16 ohm	1.00e+16 ohm	ASTM D257
Dielectric Constant	3.7 @Frequency 1e+6 Hz	3.7 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	17.7 kV/mm	450 kV/in	ASTM D149
Dissipation Factor	0.0090 @Frequency 1e+6 Hz	0.0090 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	91.8 µm/m-°C	51.0 µin/in-°F	ASTM D696
Thermal Conductivity	0.288 W/m-K	2.00 BTU-in/hr-ft²-°F
Melting Point	175 °C	347 °F
Maximum Service Temperature, Air	85.0 °C	185 °F
Deflection Temperature at 0.46 MPa (66 psi)	168 °C	334 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	120 °C	248 °F	ASTM D648
Flammability, UL94	HB @Thickness 3.17 mm	HB @Thickness 0.125 in

Compliance Properties	Metric	English	Comments
FDA	No	No
NSF	No	No
USDA	No	No

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PROCH9034 / 232737

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