Celanese Celanex® LW2547W PBT, 30% Mineral / Glass Reinforced

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Celanese Celanex® LW2547W PBT, 30% Mineral / Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass + Mineral Filled
Material Notes:	Celanex LW2547W is a 30% glass/mineral filled polyester that combines the physical and electrical properties and surface finish required in automotive distributor caps with low cost. The high gloss attainable rivals that of phenolic. Information provided by Celanese Corporation.
Key Words:	30% glass/mineral filled polyester
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Physical Properties	Metric	English	Comments

Density	1.55 g/cc	0.0560 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0050 - 0.0070 cm/cm	0.0050 - 0.0070 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	109 MPa	15800 psi	5mm/min; ISO 527-2/1A
	110 MPa @Temperature 22.8 °C	16000 psi @Temperature 73.0 °F	ASTM D638
Elongation at Break	1.8 %	1.8 %	5mm/min; ISO 527-2/1A
	5.0 % @Temperature 22.8 °C	5.0 % @Temperature 73.0 °F	ASTM D638
Flexural Strength	168 MPa	24400 psi	ISO 178
	172 MPa @Temperature 22.8 °C	25000 psi @Temperature 73.0 °F	ASTM D790
Flexural Modulus	9.10 GPa	1320 ksi	ISO 178
Izod Impact, Notched	0.801 J/cm @Temperature 22.8 °C	1.50 ft-lb/in @Temperature 73.0 °F	ASTM D256
Izod Impact, Notched (ISO)	5.10 kJ/m²	2.43 ft-lb/in²	ISO 180/1A

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+15 ohm-cm	2.00e+15 ohm-cm	ASTM D257
Dielectric Strength	23.6 kV/mm	600 kV/in	short term; ASTM D149
Arc Resistance	124 sec	124 sec	ASTM D495

Thermal Properties	Metric	English	Comments
Flammability, UL94	HB	HB

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.

PHCS104 / 123519

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