Polynt BMC LS 300/20 Bulk Molding Compound Low Shrinkage

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Polynt BMC LS 300/20 Bulk Molding Compound Low Shrinkage
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	BMC GP 300/20 is a bulk molding compound based on an unsaturated polyester resin, reinforced with glass fibers. This BMC has been developed for general purpose. Good mechanical properties and good flow are combined into the BMC GP 300/20. BMC GP 300/20 is formulated according to RoHS, REAC regulation (SVHC) and WEEE European legislation. Information provided by Polynt Composites.
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Physical Properties	Metric	English	Comments

Density	1.80 g/cc	0.0650 lb/in³	ISO 1183
Filler Content	20 %	20 %	Glass; ISO 11667
Water Absorption	<= 0.20 %	<= 0.20 %	ISO 62 Met. 1
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	ISO 2577

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	ISO 2039-2
Flexural Strength	100 MPa	14500 psi	ISO 14125A
Flexural Modulus	10.0 GPa	1450 ksi	ISO 14125A
Charpy Impact Unnotched	3.00 J/cm²	14.3 ft-lb/in²	ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 93
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 93
Comparative Tracking Index	600 V	600 V	IEC 112

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	>= 392 °F	IEC 60216

Processing Properties	Metric	English	Comments
Mold Temperature	140 - 160 °C	284 - 320 °F
Hold Pressure	6.00 - 11.00 MPa	870 - 1595 psi	Molding pressure

Descriptive Properties
Molding time	30 s/mm

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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PPOLYN9065 / 231660

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