Polymer Resources TP-GP1 Polybutylene Terephthalate, General Purpose, Flow Modified

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Polymer Resources TP-GP1 Polybutylene Terephthalate, General Purpose, Flow Modified
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes:	Polybutylene Terephthalate, General Purpose, Flow Modified Process: Injection Molding Notes: All physical, mechanical and thermal testing conducted on 1/8-inch thick, un-pigmented, test samples. Information provided by Polymer Resources Corporation.
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Physical Properties	Original Value	Comments

Specific Gravity	1.31 g/cc	ASTM D792
Linear Mold Shrinkage	0.016 - 0.022 cm/cm	ASTM D955
Melt Flow	12 - 25 g/10 min @Load 2.16 kg, Temperature 250 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	78	ASTM D785
Hardness, Rockwell R	117	ASTM D785
Tensile Strength at Break	7000 psi	ASTM D638
Tensile Strength, Yield	7000 psi	ASTM D638
Elongation at Break	200 %	ASTM D638
Elongation at Yield	3.5 %	ASTM D638
Flexural Strength	11500 psi	ASTM D790
Flexural Modulus	335 ksi	ASTM D790
Izod Impact, Notched	1.00 ft-lb/in @Temperature 22.8 °C	ASTM D256
Charpy Impact, Notched	2.50 ft-lb/in² @Temperature 22.8 °C	ISO 179/1eA
Gardner Impact	150 in-lb	ASTM D3029

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	3.1 @Frequency 1e+6 Hz	ASTM D150
	3.3 @Frequency 100 Hz	ASTM D150
Dielectric Strength	390 V/mil @Thickness 3.17 mm	in air; ASTM D149
	390 V/mil @Thickness 3.17 mm	in oil; ASTM D149
	580 V/mil @Thickness 1.59 mm	in air; ASTM D149
Dissipation Factor	0.0020 @Frequency 100 Hz	ASTM D150
	0.020 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	300 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	127 °F	ASTM D648
Vicat Softening Point	374 °F	ISO 306/B50
Flammability, UL94	HB @Thickness 1.59 mm
	HB @Thickness 3.17 mm

Processing Properties	Original Value	Comments
Rear Barrel Temperature	450 - 480 °F
Middle Barrel Temperature	460 - 490 °F
Front Barrel Temperature	470 - 500 °F
Melt Temperature	450 - 500 °F
Mold Temperature	110 - 170 °F
Drying Temperature	240 - 250 °F
Dry Time	3.00 - 4.00 hour
Vent Depth	0.000500 in

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 go back to viewing the property data in MatWeb's normal format.

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PPOLYQ260 / 160785

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