Cosmic Plastics E484 Mineral/Glass Filled Epoxy Molding Compound

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

Cosmic Plastics E484 Mineral/Glass Filled Epoxy Molding Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Molded, Glass Fiber Filler; Epoxy, Molded, Mineral Filled
Material Notes:	Description: Cosmic E484 is a mineral filled, glass reinforced, electrical grade epoxy molding compound which is supplied in a granular form. Features: It has excellent mechanical strength and electrical properties, especially at high temperatures. It has passed NASA out-gassing tests. Applications: Used in electrical hardware applications such as underwater connectors and other insulation applications. Information provided by Cosmic Plastics Inc
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.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Specific Gravity	1.95 g/cc
Bulk Factor	2.0 - 5.0
Water Absorption	0.25 % @Temperature 50.0 °C, Time 173000 sec
Linear Mold Shrinkage	0.0020 - 0.0040 in/in

Mechanical Properties	Original Value	Comments
Hardness, Barcol	65 - 75
Tensile Strength at Break	14000 psi
Flexural Strength	19000 psi
Flexural Modulus	2.80e+6 psi
Compressive Strength	30000 psi
Izod Impact, Notched	0.600 ft-lb/in

Electrical Properties	Original Value	Comments
Surface Resistance	>= 1.00e+15 ohm
Dielectric Constant	4.7 @Frequency 1e+6 Hz	Wet
	5.4 @Frequency 1000 Hz	Wet
Dielectric Strength	350 V/mil	Wet, step by step
Dielectric Breakdown	60 V	Wet, step by step
Dissipation Factor	0.0080 @Frequency 1e+6 Hz	Wet
	0.011 @Frequency 1000 Hz	Wet
Arc Resistance	186 sec

Thermal Properties	Original Value	Comments
CTE, linear	29.3 µm/m-°C	Alpha 1
	92.0 µm/m-°C	Alpha 2
Thermal Conductivity	0.000100 cal cm/sec-cm²-°C
Heat Distortion Temperature	260 °C
Glass Transition Temp, Tg	165 °C
Flammability, UL94	V-0 @Thickness 1.59 mm

Processing Properties	Original Value	Comments
Mold Temperature	150 - 180 °C

Descriptive Properties
MIL-M-14	GEI-5	ASTM D5948-96
Molding Pressure	500-8000 psi

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 go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Overview of materials for Epoxy, Molded, Glass Fiber Filler
Solvay CYCOM® 5250-4 BMI Prepreg System with AS4-3K-70PW Woven Carbon Fiber
Sumitomo Bakelite North America Epiall® 1904B-1 Short Glass Fiber Reinforced Epoxy
Sumitomo Bakelite North America Epiall® 1908M-1 Short Glass Fiber Reinforced Epoxy
Aremco Corr-Paint™ CP2050-XX High Temperature Protective Coating Epoxy-Phenolic, Glass Fiber Filled

PCOSM016 / 190798

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message