Asahi Kasei Tenac®-C 4510 Acetal Copolymer, General Purpose

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Asahi Kasei Tenac®-C 4510 Acetal Copolymer, General Purpose (discontinued **)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	General-purpose grade, characterized by balanced flowability and mechanical properties. Applications: Gears, cams, hose joints, clips, switches, mechanical parts of audio and video equipment.
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Physical Properties	Original Value	Comments

Density	1.41 g/cc	ASTM D792
Water Absorption	0.20 %	ASTM D570
Linear Mold Shrinkage	0.016 - 0.020 cm/cm	Asahi Chemical test
Melt Flow	9.0 g/10 min	melt index; ASTM D1238
Spiral Flow	42.0 cm	120°C; injection pressure 74 MPa

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	80	ASTM D785
Hardness, Rockwell R	115	ASTM D785
Tensile Strength, Ultimate	60.8 MPa	5 mm/min; parallel to flow; ASTM D638
Elongation at Break	60 %	5 mm/min; parallel to flow; ASTM D638
Flexural Yield Strength	88.0 MPa	ASTM D790
Flexural Modulus	2.60 GPa	ASTM D790
Fatigue Strength	27.0 MPa @# of Cycles 1.00e+6
Izod Impact, Notched	0.590 J/cm	ASTM D256
	0.540 J/cm @Temperature -30.0 °C
Coefficient of Friction, Dynamic	0.35	thrust type on steel or vs. itself, 0.2 MPa and 10 cm/sec
Limiting Pressure Velocity	0.590 MPa-m/sec	thrust type test vs. steel; 1 MPa
Taber Abrasion, mg/1000 Cycles	14	ASTM D1044

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+15 ohm-cm	ASTM D257
Surface Resistance	1.00e+16 ohm	ASTM D257
Dielectric Constant	3.7 @Frequency 1000 - 1.00e+6 Hz	50% RH; ASTM D150
Dielectric Strength	20.0 kV/mm @Thickness 2.20 mm	ASTM D149
Dissipation Factor	0.0050 @Frequency 1e+6 Hz	50% RH; ASTM D150
Arc Resistance	240 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	100 µm/m-°C @Temperature 20.0 °C	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	158 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ASTM D648
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Processing Temperature	180 - 200 °C	Resin temp
Mold Temperature	40.0 - 80.0 °C

**
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