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	Metric	English	Comments

Specific Gravity	1.31 g/cc	1.31 g/cc	ASTM D792
Linear Mold Shrinkage	0.016 - 0.022 cm/cm	0.016 - 0.022 in/in	ASTM D955
Melt Flow	12 - 25 g/10 min @Load 2.16 kg, Temperature 250 °C	12 - 25 g/10 min @Load 4.76 lb, Temperature 482 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	78	78	ASTM D785
Hardness, Rockwell R	117	117	ASTM D785
Tensile Strength at Break	48.3 MPa	7000 psi	ASTM D638
Tensile Strength, Yield	48.3 MPa	7000 psi	ASTM D638
Elongation at Break	200 %	200 %	ASTM D638
Elongation at Yield	3.5 %	3.5 %	ASTM D638
Flexural Strength	79.3 MPa	11500 psi	ASTM D790
Flexural Modulus	2.31 GPa	335 ksi	ASTM D790
Izod Impact, Notched	0.534 J/cm @Temperature 22.8 °C	1.00 ft-lb/in @Temperature 73.0 °F	ASTM D256
Charpy Impact, Notched	0.525 J/cm² @Temperature 22.8 °C	2.50 ft-lb/in² @Temperature 73.0 °F	ISO 179/1eA
Gardner Impact	16.9 J	12.5 ft-lb	ASTM D3029

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	3.1 @Frequency 1e+6 Hz	3.1 @Frequency 1e+6 Hz	ASTM D150
	3.3 @Frequency 100 Hz	3.3 @Frequency 100 Hz	ASTM D150
Dielectric Strength	15.4 kV/mm @Thickness 3.17 mm	390 kV/in @Thickness 0.125 in	in air; ASTM D149
	15.4 kV/mm @Thickness 3.17 mm	390 kV/in @Thickness 0.125 in	in oil; ASTM D149
	22.8 kV/mm @Thickness 1.59 mm	580 kV/in @Thickness 0.0625 in	in air; ASTM D149
Dissipation Factor	0.0020 @Frequency 100 Hz	0.0020 @Frequency 100 Hz	ASTM D150
	0.020 @Frequency 1e+6 Hz	0.020 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	149 °C	300 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	52.8 °C	127 °F	ASTM D648
Vicat Softening Point	190 °C	374 °F	ISO 306/B50
Flammability, UL94	HB @Thickness 1.59 mm	HB @Thickness 0.0626 in
	HB @Thickness 3.17 mm	HB @Thickness 0.125 in

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	232 - 249 °C	450 - 480 °F
Middle Barrel Temperature	238 - 254 °C	460 - 490 °F
Front Barrel Temperature	243 - 260 °C	470 - 500 °F
Melt Temperature	232 - 260 °C	450 - 500 °F
Mold Temperature	43.3 - 76.7 °C	110 - 170 °F
Drying Temperature	116 - 121 °C	240 - 250 °F
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour
Vent Depth	0.00127 cm	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PPOLYQ260 / 160785

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