Crystex Composites Mykroy/Mycalex MM 411 Moldable Glass-Mica Composite

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Crystex Composites Mykroy/Mycalex MM 411 Moldable Glass-Mica Composite (discontinued **)
Categories:	Ceramic; Glass; Glass Ceramic
Material Notes:	Discontinued. Replaced with RoHS compliant grade MM501. Natural Mica fibers, light green, does not burn. This leaded grade is not ROHS compliant. Information provided by Crystex Composites
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Physical Properties	Metric	English	Comments

Density	3.80 g/cc	0.137 lb/in³
Moisture Absorption at Equilibrium	0.00 %	0.00 %	Nil

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell A	47	47
Hardness, Rockwell H	90	90
Tensile Strength, Ultimate	44.8 MPa	6500 psi
Modulus of Elasticity	48.3 GPa	7000 ksi
Flexural Strength	68.9 MPa	10000 psi
Compressive Strength	228 MPa	33000 psi
Izod Impact, Notched	4.27 J/cm	8.00 ft-lb/in

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+13 ohm-cm	1.00e+13 ohm-cm
Surface Resistivity per Square	1.00e+15 ohm	1.00e+15 ohm
Dielectric Constant	8.6 @Frequency 1e+6 Hz	8.6 @Frequency 1e+6 Hz
Dielectric Strength	14.8 kV/mm	375 kV/in
Dissipation Factor	0.0012 @Frequency 1e+6 Hz	0.0012 @Frequency 1e+6 Hz
Dielectric Loss Index	0.011 @Frequency 1e+6 Hz	0.011 @Frequency 1e+6 Hz
Arc Resistance	325 sec	325 sec

Thermal Properties	Metric	English	Comments
CTE, linear	11.07 µm/m-°C @Temperature 350 °C	6.150 µin/in-°F @Temperature 662 °F
	12.47 µm/m-°C @Temperature 25.0 °C	6.928 µin/in-°F @Temperature 77.0 °F
Specific Heat Capacity	1.00 J/g-°C	0.239 BTU/lb-°F
Thermal Conductivity	0.940 W/m-K	6.52 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	400 °C	752 °F

Descriptive Properties
Color	Light Green

**
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CMYKROY17 / 1657

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