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Bulk Molding Compounds BMC 5209 Mineral Filled, Glass Reinforced Polyester

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Polyester, TS , Thermoset Polyester Glass and Mineral 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 5209 Mineral Filled, Glass Reinforced Polyester.pdf
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Material Notes:
BMC 5209 molding compound is a mineral filled, glass fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding. It is a high impact material produced in extruded form for ease of handling. Other characteristics are good over all electrical properties and flame resistance.Typical applications include circuit breaker housings, standoff insulators, bus supports and tool housings.
Physical Properties Metric English Comments
Specific Gravity 1.90 g/cc
1.90 g/cc
Water Absorption 0.050 %
0.050 %
24 hours, 23°C
Linear Mold Shrinkage 0.0010 - 0.0020 cm/cm
0.0010 - 0.0020 in/in
Mechanical Properties Metric English Comments
Hardness, Barcol 35 - 45
35 - 45
Tensile Strength, Ultimate 41.4 - 55.2 MPa
6000 - 8000 psi
Flexural Strength 124 - 138 MPa
18000 - 20000 psi
Compressive Strength 165 - 193 MPa
24000 - 28000 psi
Izod Impact, Notched 3.20 - 4.81 J/cm
6.00 - 9.00 ft-lb/in
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 260 °C
>= 500 °F
Flammability, UL94 V-0

@Thickness 6.35 mm
V-0

@Thickness 0.250 in
V-0

@Thickness 3.17 mm
V-0

@Thickness 0.125 in
V-0

@Thickness 1.59 mm
V-0

@Thickness 0.0625 in
Electrical Properties Metric English Comments
Dielectric Strength 13.8 - 15.0 kV/mm
350 - 380 kV/in
Short Time
Arc Resistance >= 180 sec
>= 180 sec
Comparative Tracking Index >= 600 V
>= 600 V
Processing Properties Metric English Comments
Mold Temperature 138 - 166 °C
280 - 330 °F
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