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Rulon Bearings

A. Schulman BMC 700 Thermoset Polyester, High Arc Quench Electrical Grade
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC

Material Notes: BMC 700 is a general purpose, mineral filled, glass fiber-reinforced polyester compound that was initially designed for molding arc chutes. It has superior arc quench properties. As with all other BMCI compounds, this Series can be supplied in logs, slugs or bulk.

Typical applications are arc chutes and circuit breakers.

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 PropertiesMetricEnglishComments
Specific Gravity 1.90 - 2.00 g/cc1.90 - 2.00 g/cc
Water Absorption 0.070 - 0.12 %0.070 - 0.12 %24 hours, 23°C
Linear Mold Shrinkage 0.0030 - 0.0055 cm/cm0.0030 - 0.0055 in/in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Barcol 35 - 4035 - 40
Tensile Strength, Ultimate 20.7 - 34.5 MPa3000 - 5000 psi
Flexural Strength 68.9 - 82.7 MPa10000 - 12000 psi
Flexural Modulus 12.4 - 14.5 GPa1800 - 2100 ksi
Compressive Strength 96.5 - 124 MPa14000 - 18000 psi
Izod Impact, Notched 1.07 - 1.60 J/cm2.00 - 3.00 ft-lb/in
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.50e+14 ohm-cm1.50e+14 ohm-cm
Dielectric Strength 16.1 kV/mm410 kV/inShort Time
Arc Resistance >= 180 sec>= 180 sec
Comparative Tracking Index >= 500 V>= 500 V
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) >= 204 °C>= 400 °F
Flammability, UL94 V-0V-05V
 
Processing PropertiesMetricEnglishComments
Mold Temperature 138 - 166 °C280 - 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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