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Rulon Bearings

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A. Schulman BMC 604 Mineral Filled, Glass Fiber Reinforced Polyester Compound
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass and Mineral Filled BMC

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.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 2.06 g/cc
Water Absorption 0.14 %24 hours, 23°C
Linear Mold Shrinkage 0.0030 - 0.0040 cm/cm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Barcol 45 - 55
Tensile Strength, Ultimate 4000 - 6000 psi
Flexural Strength 16000 - 20000 psi
Compressive Strength 28000 - 33000 psi
Izod Impact, Notched 2.00 - 4.00 ft-lb/in
 
Electrical PropertiesOriginal ValueComments
Dielectric Strength 340 V/milShort Time
Arc Resistance >= 180 sec
Comparative Tracking Index >= 500 V
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 1.8 MPa (264 psi) >= 500 °F
Flammability, UL94 HB
@Thickness 6.35 mm
 HB
@Thickness 3.17 mm
 HB
@Thickness 1.59 mm
 
Processing PropertiesOriginal ValueComments
Mold Temperature 280 - 330 °F

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PBMC013 / 27196

Aluminum Castings

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