Gromax PBT 3030-201 30% Glass Fiber Filled

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Gromax PBT 3030-201 30% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	Product Description: A glass fiber 30% reinforced injection molding grade. Characteristics: Excellent electrical property Excellent temperature resistance, high heat distortion temperature Excellent mechanic and chemical property Excellent weatherability Excellent wear property Excellent moldability High resistance to fuels, oil, fats and many solvents Information provided by Gromax Enterprises Corp.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.51 g/cc	1.51 g/cc	ASTM D792
Moisture Absorption	0.0400 % @Time 86400 sec	0.0400 % @Time 24.0 hour	ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0050 cm/cm @Thickness 1.60 mm	0.0020 - 0.0050 in/in @Thickness 0.0630 in	horizontal; ASTM D955
	0.0080 - 0.014 cm/cm @Thickness 1.60 mm	0.0080 - 0.014 in/in @Thickness 0.0630 in	vertical; ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	90	90	ASTM D785
Tensile Strength	123 MPa	17800 psi	ASTM D638
Elongation at Break	4.0 %	4.0 %	ASTM D638
Flexural Strength	195 MPa	28300 psi	ASTM D790
Flexural Modulus	8.34 GPa	1210 ksi	ASTM D790
Izod Impact, Notched	>= 0.932 J/cm @Thickness 6.35 mm	>= 1.74 ft-lb/in @Thickness 0.250 in	ASTM D256

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	ASTM D257
Surface Resistance	1.00e+13 ohm	1.00e+13 ohm	ASTM D257
Dielectric Constant	3.5 @Frequency 60 Hz	3.5 @Frequency 60 Hz	ASTM D150
Dielectric Strength	20.0 kV/mm @Thickness 2.00 mm	508 kV/in @Thickness 0.0787 in	ASTM D149
Dissipation Factor	0.0010 @Frequency 60 Hz	0.0010 @Frequency 60 Hz	ASTM D150
Arc Resistance	100 sec	100 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear	30.0 µm/m-°C	16.7 µin/in-°F	ASTM D696
Melting Point	225 °C	437 °F	DSC
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	428 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	200 °C	392 °F	ASTM D648
Flammability, UL94	HB @Thickness 0.800 mm	HB @Thickness 0.0315 in

Processing Properties	Metric	English	Comments
Processing Temperature	240 - 270 °C	464 - 518 °F
Nozzle Temperature	260 - 270 °C	500 - 518 °F
Mold Temperature	40.0 - 120 °C	104 - 248 °F	suitable temperature 60-80°C
Injection Pressure	50.0 - 120 MPa	7250 - 17400 psi
Hold Pressure	30.0 - 80.0 MPa	4350 - 11600 psi
Back Pressure	0.000 - 0.300 MPa	0.000 - 43.5 psi
Screw Speed	60 - 120 rpm	60 - 120 rpm	to be chosen in such a way that plasticizing time is just within cooling time

Descriptive Properties
Injection Rate	middle-fast

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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PGROM030 / 147843

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