Celanese Hostaform® C 9021 GV1/30 POM, 30% Glass Reinforced

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Celanese Hostaform® C 9021 GV1/30 POM, 30% Glass Reinforced
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 30% Glass Fiber Reinforced
Material Notes:	Chemical abbreviation according to ISO 1043-1: POM Information provided by Celanese
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Physical Properties	Metric	English	Comments

Density	1.60 g/cc	0.0578 lb/in³	ISO 1183
Density of Compound	1.35 g/cc	0.0488 lb/in³
Water Absorption at Saturation	0.90 %	0.90 %	ISO 62
Melt Flow	4.0 g/10 min @Load 2.16 kg, Temperature 190 °C	4.0 g/10 min @Load 4.76 lb, Temperature 374 °F	[cm3/10min]; ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	135 MPa	19600 psi	5mm/min; ISO 527-2/1A
Elongation at Break	2.5 %	2.5 %	5mm/min; ISO 527-2/1A
Tensile Modulus	9.20 GPa	1330 ksi	50mm/min; ISO 527-2/1A
Flexural Modulus	7.80 GPa	1130 ksi	ISO 178
Charpy Impact Unnotched	3.00 J/cm²	14.3 ft-lb/in²	ISO 179/1eU
	3.50 J/cm² @Temperature -30.0 °C	16.7 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.800 J/cm²	3.81 ft-lb/in²	ISO 179/1eA
	0.800 J/cm² @Temperature -30.0 °C	3.81 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
Tensile Creep Modulus, 1 hour	7700 MPa	1.12e+6 psi	ISO 899-1
Tensile Creep Modulus, 1000 hours	5400 MPa	783000 psi	ISO 899-1

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093
Dielectric Constant	4.3 @Frequency 1e+6 Hz	4.3 @Frequency 1e+6 Hz	IEC 60250
	4.3 @Frequency 100 Hz	4.3 @Frequency 100 Hz	IEC 60250
Dielectric Strength	40.0 kV/mm	1020 kV/in	IEC 60243-1
Dissipation Factor	0.0030 @Frequency 100 Hz	0.0030 @Frequency 100 Hz	IEC 60250
	0.0060 @Frequency 1e+6 Hz	0.0060 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	40.0 µm/m-°C	22.2 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	80.0 µm/m-°C	44.4 µin/in-°F	ISO 11359-2
Specific Heat Capacity	1.81 J/g-°C	0.433 BTU/lb-°F
Thermal Conductivity	0.215 W/m-K	1.49 BTU-in/hr-ft²-°F
Melting Point	166 °C	331 °F	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi)	160 °C	320 °F	ISO 75-1, -2
Deflection Temperature at 8.0 MPa	125 °C	257 °F	ISO 75-1, -2
Flammability, UL94	HB @Thickness 1.57 mm	HB @Thickness 0.0618 in
	HB @Thickness 3.18 mm	HB @Thickness 0.125 in

Processing Properties	Metric	English	Comments
Processing Temperature	80.0 - 120 °C	176 - 248 °F	cavity
	190 - 210 °C	374 - 410 °F	hot runner
Feed Temperature	60.0 - 80.0 °C	140 - 176 °F
Zone 1	170 - 180 °C	338 - 356 °F
Zone 2	180 - 190 °C	356 - 374 °F
Zone 3	190 - 200 °C	374 - 392 °F
Zone 4	190 - 210 °C	374 - 410 °F
Die Temperature	190 - 210 °C	374 - 410 °F
Melt Temperature	190 - 210 °C	374 - 410 °F
Ejection Temperature	140 °C	284 °F
Drying Temperature	100 - 120 °C	212 - 248 °F
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour
Moisture Content	<= 0.15 %	<= 0.15 %
Injection Pressure	60.0 - 120 MPa	8700 - 17400 psi
Hold Pressure	60.0 - 120 MPa	8700 - 17400 psi
Back Pressure	<= 2.00 MPa	<= 290 psi
Screw Speed	70 rpm @Diameter 55.0 mm	70 rpm @Diameter 2.17 in
	100 rpm @Diameter 40.0 mm	100 rpm @Diameter 1.57 in
	150 rpm @Diameter 25.0 mm	150 rpm @Diameter 0.984 in

Descriptive Properties
Eff. thermal diffusivity	6.51E-08		[m^2/s]
Injection molding	Yes
Injection speed	slow
Processing conditions acc. ISO	9988

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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