A. Schulman BMC 902 Thermoset Polyester, Soft Flow Encapsulation Grade

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A. Schulman BMC 902 Thermoset Polyester, Soft Flow Encapsulation Grade
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	BMC 902 is a medium strength, high flow molding compound that meets Ford Specification ESFM3D114- A. BMC 902 has excellent electrical properties and creep resistance. It can be pigmented in a wide range of colors and can be supplied in bulk or extruded in pre -weighed slugs. Typical applications are coil encapsulations and bobbins.
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Physical Properties	Original Value	Comments

Specific Gravity	1.85 - 1.95 g/cc
Water Absorption	0.12 - 0.20 %	24 hours, 23°C
Linear Mold Shrinkage	0.0025 - 0.0045 cm/cm

Mechanical Properties	Original Value	Comments
Hardness, Barcol	40 - 50
Tensile Strength, Ultimate	4000 - 5000 psi
Flexural Strength	9000 - 12000 psi
Flexural Modulus	1500 - 1800 ksi
Compressive Strength	18000 - 20000 psi
Izod Impact, Notched	2.00 - 3.00 ft-lb/in

Electrical Properties	Original Value	Comments
Dielectric Strength	380 - 410 V/mil	Short Time
Arc Resistance	>= 180 sec
Comparative Tracking Index	>= 500 V

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 500 °F
Flammability, UL94	V-0

Processing Properties	Original Value	Comments
Mold Temperature	280 - 330 °F

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PBMC040 / 27223

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