Bulk Molding Compounds BMC 604 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	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Bulk Molding Compounds BMC 604 Mineral Filled, Glass Fiber Reinforced Polyester Compound.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

BMC 604 molding compound is a low-cost, mineral filled glass-fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding It is a general purpose material with medium impact strength and good overall electrical properties.Typical applications include slip rings, cummutators and brush holders.

Physical Properties	Metric	English	Comments
Specific Gravity	2.06 g/cc	2.06 g/cc
Water Absorption	0.14 %	0.14 %	24 hours, 23°C
Linear Mold Shrinkage	0.0030 - 0.0040 cm/cm	0.0030 - 0.0040 in/in

Mechanical Properties	Metric	English
Hardness, Barcol	45 - 55	45 - 55
Tensile Strength, Ultimate	27.6 - 41.4 MPa	4000 - 6000 psi
Flexural Strength	110 - 138 MPa	16000 - 20000 psi
Compressive Strength	193 - 228 MPa	28000 - 33000 psi
Izod Impact, Notched	1.07 - 2.14 J/cm	2.00 - 4.00 ft-lb/in

Thermal Properties	Metric	English
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 Strength	13.4 kV/mm	340 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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