Celanese Celcon® GC20 POM, 20% Glass Reinforced

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Celanese Celcon® GC20 POM, 20% Glass Reinforced
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 20% Glass Fiber Reinforced
Material Notes:	Celcon« GC20 is a glass coupled formulation containing 20% fiber glass reinforcement to improve strength and stiffness. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Density	1.54 g/cc	0.0556 lb/in³	ISO 1183
Moisture Absorption	0.200 %	0.200 %	23°C/50%RH; ISO 62
Water Absorption at Saturation	0.80 %	0.80 %	ISO 62

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	99.0 MPa	14400 psi	5mm/min; ISO 527-2/1A
Elongation at Break	2.2 %	2.2 %	5mm/min; ISO 527-2/1A
Tensile Modulus	7.30 GPa	1060 ksi	50mm/min; ISO 527-2/1A
Flexural Strength	130 MPa	18900 psi	ISO 178
Flexural Modulus	7.00 GPa	1020 ksi	ISO 178
Izod Impact, Notched (ISO)	5.20 kJ/m²	2.47 ft-lb/in²	ISO 180/1A
Charpy Impact Unnotched	3.00 J/cm²	14.3 ft-lb/in²	ISO 179/1eU
	4.00 J/cm² @Temperature -30.0 °C	19.0 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.600 J/cm²	2.86 ft-lb/in²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	43.0 µm/m-°C	23.9 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	110 µm/m-°C	61.1 µin/in-°F	ISO 11359-2
Melting Point	165 °C	329 °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

Processing Properties	Metric	English	Comments
Processing Temperature	90.0 - 120 °C	194 - 248 °F	cavity
	190 - 210 °C	374 - 410 °F	hot runner
Zone 1	170 - 180 °C	338 - 356 °F
Zone 2	180 - 190 °C	356 - 374 °F
Zone 3	180 - 190 °C	356 - 374 °F
Zone 4	190 - 200 °C	374 - 392 °F
Die Temperature	190 - 200 °C	374 - 392 °F
Melt Temperature	180 - 200 °C	356 - 392 °F
Drying Temperature	80.0 - 100 °C	176 - 212 °F
Dry Time	3.00 hour	3.00 hour
Injection Pressure	90.0 - 140 MPa	13100 - 20300 psi
Hold Pressure	90.0 - 140 MPa	13100 - 20300 psi
Back Pressure	<= 2.00 MPa	<= 290 psi

Descriptive Properties
Injection molding	Yes
Injection speed	slow
Pellets	Yes
Processing conditions acc. ISO	9988-2

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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PHCQ102 / 178557

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