Cosmic Plastics K77/6220F Short Glass Fiber Filled Diallyl Iso-Phthalate Molding Compound

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Cosmic Plastics K77/6220F Short Glass Fiber Filled Diallyl Iso-Phthalate Molding Compound (discontinued **)
Categories:	Polymer; Thermoset; Diallyl Phthalate (DAP); Diallyl Phthalate (DAP) Molding Compound, Short Glass Fiber Filled
Material Notes:	Description: Cosmic K77 / 6220F is a short glass fiber filled, flame retardant premium diallyl iso-phthalate molding compound which is supplied in a granular form. It pours easily, can be preformed, and molds easily in standard compression, transfer or injection equipment. Features: K77 / 6220F has good impact strength, excellent electrical properties and very high heat service properties. Applications: The high strength of this material makes it ideal for switches, terminals, housings, structural parts and insulators. Information provided by Cosmic Plastics Inc
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Physical Properties	Original Value	Comments

Specific Gravity	1.78 g/cc
Bulk Factor	2.5
Water Absorption	0.25 % @Temperature 50.0 °C, Time 173000 sec
Linear Mold Shrinkage	0.0010 - 0.0040 in/in

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	6000 - 10000 psi
Flexural Strength	13000 - 15000 psi
Compressive Strength	24000 - 26000 psi
Izod Impact, Notched	0.500 - 1.25 ft-lb/in

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm
	1.00e+10 ohm-cm @Temperature 70.0 °C, Time 2.59e+6 sec	100% RH
Surface Resistance	>= 1.00e+16 ohm
	1.00e+10 ohm @Temperature 70.0 °C, Time 2.59e+6 sec	100% RH
Dielectric Constant	3.9 @Frequency 1e+6 Hz	Dry
	4.2 @Frequency 1000 Hz	Dry
	4.2 @Frequency 1e+6 Hz	Wet
	4.3 @Frequency 1000 Hz	Wet
Dielectric Strength	400 V/mil	Dry, step by step
	400 V/mil	Wet, step by step
Dielectric Breakdown	60 V	Wet, step by step
	64 V	Dry, step by step
Dissipation Factor	0.0070 @Frequency 1000 Hz	Dry
	0.010 @Frequency 1000 Hz	Wet
	0.014 @Frequency 1e+6 Hz	Dry
	0.015 @Frequency 1e+6 Hz	Wet
Arc Resistance	180 sec

Thermal Properties	Original Value	Comments
CTE, linear	15.0 µm/m-°C @Temperature -40.0 - 100 °C
Heat Distortion Temperature	260 °C
Flammability, UL94	V-0 @Thickness 1.59 mm

Processing Properties	Original Value	Comments
Mold Temperature	135 - 170 °C

Descriptive Properties
Dimensional Stability	<0.01%
MIL-M-14	SDG-F	ASTM D5948-96
	SIG-F	ASTM D5948-96
Molding Pressure	500-8000 psi

**
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PCOSM015 / 190797

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