Cosmic Plastics 3D36 Long Glass Filled Alkyd Molding Compound

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Cosmic Plastics 3D36 Long Glass Filled Alkyd Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS; Alkyd (Polyester), Molded, Mineral Filler
Material Notes:	Description: Cosmic 3D36 is a long glass fiber filled, impact resistant and flame retardant alkyd molding compound which is supplied in a flake form. It molds easily in standard compression or transfer equipment and has a shelf life of one year when stored at 100C or below. Features: 3D36 cures rapidly to give high strength parts with excellent surface, good electrical insulation and dimensional stability. Applications: Used in circuit breakers, relays, coil bobbins, terminal boards and connectors. Information provided by Cosmic Plastics Inc
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Physical Properties	Original Value	Comments

Specific Gravity	1.95 g/cc
Bulk Factor	6.0 - 12
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	3500 - 7000 psi
Flexural Strength	12000 - 14000 psi
Compressive Strength	18000 - 22000 psi
Izod Impact, Notched	3.00 - 6.00 ft-lb/in

Electrical Properties	Original Value	Comments
Dielectric Constant	5.5 @Frequency 1000 Hz	Dry
	5.5 @Frequency 1e+6 Hz	Wet
	5.6 @Frequency 1e+6 Hz	Dry
	6.0 @Frequency 1000 Hz	Wet
Dielectric Strength	350 V/mil	Wet, step by step
	400 V/mil	Dry, step by step
Dielectric Breakdown	40 V	Wet, step by step
	55 V	Dry, step by step
Dissipation Factor	0.025 @Frequency 1e+6 Hz	Dry
	0.030 @Frequency 1e+6 Hz	Wet
	0.040 @Frequency 1000 Hz	Dry
	0.050 @Frequency 1000 Hz	Wet
Arc Resistance	140 sec

Thermal Properties	Original Value	Comments
Heat Distortion Temperature	205 °C
Flammability, UL94	V-1 @Thickness 3.17 mm

Processing Properties	Original Value	Comments
Mold Temperature	130 - 170 °C

Descriptive Properties
Dimensional Stability	<0.04%
MIL-M-14	MAI-60	ASTM D5948-96
Molding Pressure	500-8000 psi

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PCOSM023 / 190805

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