Bulk Molding Compounds BMC 620 Mineral Filled, Glass Fiber Reinforced Polyester Compound

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	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Bulk Molding Compounds BMC 620 Mineral Filled, Glass Fiber Reinforced Polyester Compound.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

BMC 620 molding compound is a mineral filled, glass fiber-reinforced polyester compound suitable for compression, and stuffer injection molding It is characterized by good moldability high impact strength, excellent overall electrical properties and flame resistance.Typical applications include molded replacements for die castings, buss supports, circuit breaker housings, phase separators and contactor blocks.

Physical Properties	Metric	English	Comments
Specific Gravity	1.77 g/cc	1.77 g/cc
Water Absorption	0.14 %	0.14 %	24 hours, 23°C
Linear Mold Shrinkage	0.0025 - 0.0035 cm/cm	0.0025 - 0.0035 in/in

Mechanical Properties	Metric	English
Hardness, Barcol	36 - 45	36 - 45
Tensile Strength, Ultimate	34.5 - 55.2 MPa	5000 - 8000 psi
Flexural Strength	131 - 159 MPa	19000 - 23000 psi
Compressive Strength	152 - 179 MPa	22000 - 26000 psi
Izod Impact, Notched	3.20 - 4.81 J/cm	6.00 - 9.00 ft-lb/in

Thermal Properties	Metric	English
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 Constant	5.2 @Frequency 60 Hz	5.2 @Frequency 60 Hz
Dielectric Strength	14.2 kV/mm	360 kV/in	Short Time
Dissipation Factor	0.020 @Frequency 60 Hz	0.020 @Frequency 60 Hz
Arc Resistance	190 sec	190 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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