A. Schulman BMC Super-Tough Mineral Filled, Glass Reinforced Polyester

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A. Schulman BMC Super-Tough Mineral Filled, Glass Reinforced Polyester (discontinued **)
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass and Mineral Filled BMC
Material Notes:	Super-Tough BMC molding compound is a mineral filled, glass and specialty fiber reinforced polyester molding compound suitable for compression and stuffer injection molding. It is characterized by good moldability and extremely high impact and flexural strengths. Super Tough BMC was specifically designed for applications that require very high physical properties.
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Physical Properties	Original Value	Comments

Specific Gravity	1.75 - 1.85 g/cc
Linear Mold Shrinkage	0.0010 - 0.0020 cm/cm

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	14000 - 17000 psi
Flexural Strength	32000 - 36000 psi
Flexural Modulus	1900 - 2300 ksi
Compressive Strength	19000 - 24000 psi
Izod Impact, Notched	27.0 - 29.0 ft-lb/in
Izod Impact, Unnotched	29.0 - 31.0 ft-lb/in

Electrical Properties	Original Value	Comments
Dielectric Strength	380 - 400 V/mil	Short Time
Arc Resistance	>= 180 sec
Comparative Tracking Index	>= 600 V

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 500 °F

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

**
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PBMC071 / 27254

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