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Bulk Molding Compounds BMC 400 Thermoset Polyester, Low Shrink, High Strength, Electrical Grade

Category Polymer , Thermoset , Polyester, TS , Thermoset Polyester Glass Filled BMC
Manufacturer BMC - Bulk Molding Compounds Inc.
Trade Name BMC
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Bulk Molding Compounds BMC 400 Thermoset Polyester, Low Shrink, High Strength, Electrical Grade.pdf
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Material Notes:
BMC 400 is a high strength, low shrink molding compound. It can be supplied in bulk or extruded in pre-weighted slugs.Typical applications are circuit breakers, insulators, and power tool housings.
Physical Properties Metric English Comments
Specific Gravity 1.75 - 1.95 g/cc
1.75 - 1.95 g/cc
Water Absorption 0.12 - 0.20 %
0.12 - 0.20 %
24 hours, 23°C
Linear Mold Shrinkage 0.0010 - 0.0030 cm/cm
0.0010 - 0.0030 in/in
Mechanical Properties Metric English Comments
Hardness, Barcol 40 - 50
40 - 50
Tensile Strength, Ultimate 34.5 - 55.2 MPa
5000 - 8000 psi
Flexural Strength 96.5 - 138 MPa
14000 - 20000 psi
Flexural Modulus 11.7 - 13.1 GPa
1700 - 1900 ksi
Compressive Strength 124 - 159 MPa
18000 - 23000 psi
Izod Impact, Notched 1.60 - 4.27 J/cm
3.00 - 8.00 ft-lb/in
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 260 °C
>= 500 °F
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Dielectric Strength 13.8 - 15.7 kV/mm
350 - 400 kV/in
Short Time
Arc Resistance >= 180 sec
>= 180 sec
Comparative Tracking Index >= 500 V
>= 500 V
Processing Properties Metric English Comments
Mold Temperature 138 - 166 °C
280 - 330 °F
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