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Bulk Molding Compounds BMC 1901 Mineral Filled Alkyd

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Polyester, TS , Alkyd (Polyester), Molded, Mineral Filler
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 1901 Mineral Filled Alkyd.pdf
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Material Notes:
BMC 1901 molding compound is a mineral filled, glass-fiber-reinforced alkyd compound suitable for compression transfer molding. It is a general purpose with medium impact strength and good overall electrical properties.Typical applications include switch components, relay bases, stack insulator s and as a formable insulating putty for motor construction and repair.
Physical Properties Metric English Comments
Specific Gravity 2.21 g/cc
2.21 g/cc
Water Absorption 0.28 %
0.28 %
24 hours, 23°C
Linear Mold Shrinkage 0.0030 - 0.0060 cm/cm
0.0030 - 0.0060 in/in
Mechanical Properties Metric English Comments
Hardness, Barcol 60 - 80
60 - 80
Flexural Strength 103 - 138 MPa
15000 - 20000 psi
Compressive Strength 152 - 179 MPa
22000 - 26000 psi
Izod Impact, Notched 1.07 - 2.14 J/cm
2.00 - 4.00 ft-lb/in
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 260 °C
>= 500 °F
Flammability, UL94 HB

@Thickness 6.35 mm
HB

@Thickness 0.250 in
HB

@Thickness 3.17 mm
HB

@Thickness 0.125 in
HB

@Thickness 1.59 mm
HB

@Thickness 0.0625 in
Electrical Properties Metric English Comments
Dielectric Constant 7.3

@Frequency 60 Hz
7.3

@Frequency 60 Hz
Dielectric Strength 12.8 kV/mm
325 kV/in
Short Time
Dissipation Factor 0.40

@Frequency 60 Hz
0.40

@Frequency 60 Hz
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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