Polynt SMC LPMC 7680 Sheet Molding Compound

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Polynt SMC LPMC 7680 Sheet Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	SMC LPMC 7680 is a sheet molding compound based on an unsaturated polyester resin, fire retardant grade, halogen-free, reinforced with glass fibers. SMC LPMC 7680 is studied to be molded at low pressure. This SMC has been developed for mass transportation. SMC LPMC 7680 joint good mechanical properties and high fire protection grade SMC LPMC 7680 complies with NF F 16-101. SMC LPMC 7680 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	25 %	25 %	Glass; ISO 11667
Water Absorption	<= 0.20 %	<= 0.20 %	ISO 62 Met. 1
Linear Mold Shrinkage	0.00 cm/cm	0.00 in/in	ISO 2577

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	ISO 2039-2
Flexural Strength	150 MPa	21800 psi	ISO 14125A
Flexural Modulus	9.50 GPa	1380 ksi	ISO 14125A
Charpy Impact Unnotched	7.00 J/cm²	33.3 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

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	>= 392 °F	ISO 75

Processing Properties	Metric	English	Comments
Mold Temperature	140 - 160 °C	284 - 320 °F
Hold Pressure	4.00 - 11.00 MPa	580 - 1595 psi	Molding pressure

Descriptive Properties
Molding time	40 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.

PPOLYN9105 / 231700

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