Celanese Celcon® GC25TF POM, 25% Glass Reinforced

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Celanese Celcon® GC25TF POM, 25% Glass Reinforced
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 30% Glass Fiber Reinforced
Material Notes:	Celcon« GC25TF is a 25% glass coupled acetal copolymer formulated for higher flow in thin walled and small parts. Celcon GC25TF is also exceptionally resistant to fuel. It offers excellent resistance to transportation fuels especially oxygenated fuels. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Specific Gravity	1.58 g/cc	1.58 g/cc	ASTM D792
Density	1.575 g/cc	0.05690 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
Linear Mold Shrinkage, Flow	0.0040 cm/cm	0.0040 in/in	ASTM D955
Linear Mold Shrinkage, Transverse	0.010 cm/cm	0.010 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	120 MPa	17400 psi	5mm/min; ISO 527-2/1A
Tensile Strength, Yield	117 MPa	17000 psi	ASTM D638
Elongation at Break	2.0 %	2.0 %	5mm/min; ISO 527-2/1A
	2.0 %	2.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	8.72 GPa	1260 ksi	50mm/min; ISO 527-2/1A
Flexural Modulus	8.27 GPa	1200 ksi	ASTM D790
	8.71 GPa	1260 ksi	ISO 178
Izod Impact, Notched	0.694 J/cm	1.30 ft-lb/in	ASTM D256
Izod Impact, Notched (ISO)	6.40 kJ/m²	3.05 ft-lb/in²	ISO 180/1A
Charpy Impact, Notched	0.640 J/cm²	3.05 ft-lb/in²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	30.0 µm/m-°C	16.7 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	100 µm/m-°C	55.6 µin/in-°F	ISO 11359-2
Melting Point	165 °C	329 °F	10°C/min; ISO 11357-1,-2,-3
	166 °C	331 °F	ASTM D3418
Deflection Temperature at 1.8 MPa (264 psi)	118 °C	245 °F	ASTM D648
	162 °C	324 °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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PHCQ105 / 178560

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