Bulk Molding Compounds BMC 685 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 685 Mineral Filled, Glass Fiber Reinforced Polyester Compound.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

BMC 685 molding compound is a mineral filled, glass fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding It is characterized by good moldability, oil and solvent resistance and creep resistance at elevated temperatures.Typical applications include replacements for die castings and sheet molding compounds, valve covers, intake manifolds, oil pans and circuit breakers.

Physical Properties	Metric	English	Comments
Specific Gravity	1.75 g/cc	1.75 g/cc
Water Absorption	0.11 %	0.11 %	24 hours, 23°C
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	0.0015 - 0.0025 in/in

Mechanical Properties	Metric	English
Hardness, Barcol	55 - 65	55 - 65
Tensile Strength, Ultimate	62.1 - 82.7 MPa	9000 - 12000 psi
Flexural Strength	179 - 214 MPa	26000 - 31000 psi
Compressive Strength	179 - 214 MPa	26000 - 31000 psi
Izod Impact, Notched	7.47 - 10.1 J/cm	14.0 - 19.0 ft-lb/in

Thermal Properties	Metric	English
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	HB @Thickness 1.59 mm	HB @Thickness 0.0625 in
	V-0 @Thickness 6.35 mm	V-0 @Thickness 0.250 in
	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in

Electrical Properties	Metric	English	Comments
Dielectric Strength	15.4 - 16.1 kV/mm	390 - 410 kV/in	Short Time
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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