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Rulon Bearings

Crystex Composites Mykroy/Mycalex MM 561 Molding Grade Glass-bonded Mica Composite
Categories: Ceramic; Glass; Glass Ceramic

Material Notes: Synthetic mica filler. Does not burn. Good radiation resistance (3 x 10^10 Rads-Cobalt). ROHS Compliant

This ceramoplastic material is a versatile and efficient insulating material designed to meet the exacting demands of technical markets, worldwide. Glass-Bonded Mica is the only inorganic material to bridge the performance materials gap between organic plastics and ceramics.

This unique high performance technical ceramic is a union of finely powered electrical quality glass and precisely defined and classified mica. The union of mica and glass takes place under simultaneous pressure and heat, transforming the materials into a new composition that inherits all the insulating advantages of both constituents.

These materials are easily machined, mold like plastic, and have a wide range of operating temperatures. They find applications in the aircraft, laser, communications, aerospace, cryogenic, electronic, radiation, semiconductor, computer, automotive, and power distribution industries.

Typical data below provided by Mykroy/Mycalex Ceramics.

Key Words: Glass Bonded Mica
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Physical PropertiesMetricEnglishComments
Density 2.60 g/cc0.0939 lb/in³
Moisture Absorption at Equilibrium 0.00 %0.00 %Nil
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell A 6363
Tensile Strength, Ultimate 51.7 MPa7500 psi
Modulus of Elasticity 77.9 GPa11300 ksi
Flexural Strength 110 MPa16000 psi
Flexural Modulus 44.1 GPa6400 ksi
Compressive Strength 331 MPa48000 psi
Izod Impact, Notched 8.54 J/cm16.0 ft-lb/in
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.60e+14 ohm-cm1.60e+14 ohm-cm
Surface Resistivity per Square 4.00e+14 ohm4.00e+14 ohm
Dielectric Constant 6.87
@Frequency 1e+6 Hz
6.87
@Frequency 1e+6 Hz
Dielectric Strength 16.7 kV/mm425 kV/in
Dissipation Factor 0.0042
@Frequency 1e+6 Hz
0.0042
@Frequency 1e+6 Hz
Dielectric Loss Index 0.028
@Frequency 1e+6 Hz
0.028
@Frequency 1e+6 Hz
Arc Resistance 205 sec205 sec
 
Thermal PropertiesMetricEnglishComments
CTE, linear  10.70 µm/m-°C
@Temperature 25.0 °C
5.944 µin/in-°F
@Temperature 77.0 °F
 11.9 µm/m-°C
@Temperature 350 °C
6.61 µin/in-°F
@Temperature 662 °F
 14.0 µm/m-°C
@Temperature 500 °C
7.80 µin/in-°F
@Temperature 932 °F
Specific Heat Capacity 1.674 J/g-°C0.4000 BTU/lb-°F
Thermal Conductivity 1.46 W/m-K10.1 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 560 °C1040 °FContinuous

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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CMYKROY32 / 1661

Aluminum Castings

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