Epoxies, Etc 20-3035, Cat. 190 Low Density Epoxy Potting Compound

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Epoxies, Etc 20-3035, Cat. 190 Low Density Epoxy Potting Compound
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: 20-3035 is a low density, two component epoxy potting and encapsulating system. The 20-3035 is less than half the weight of most commercially available potting compounds. 20-3035 exhibits very low shrinkage during the cure cycle and also has a low coefficient of thermal expansion. This unique epoxy system is an ideal material for the potting of electronic assemblies where a low dielectric constant and low weight are required. This epoxy syntactic foam system utilizes an advanced micro balloon technology filler. The 20-3035 provides high strength and stiffness, thermal and environmental stability, creep resistance, and water resistance. In addition to the standard bulk packaging, 20-3035 can be supplied in the ready-to-use FreezeBond® premixed and frozen syinges for elimination of waste and consistent quality. Features: Low Dielectric Constant Low Coefficient of Thermal Expansion Low Shrinkage Low Density Excellent Moisture Resistance Information provided by Epoxies, Etc
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Physical Properties	Original Value	Comments

Specific Gravity	0.820 g/cc
Water Absorption	0.13 % @Time 86400 sec
Viscosity	25000 cP	Mixed
Linear Mold Shrinkage	0.0010 in/in

Mechanical Properties	Original Value	Comments
Hardness, Shore D	80
Tensile Strength	3000 psi
Flexural Strength	7000 psi
Compressive Strength	12000 psi

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm
Dielectric Constant	2.7 @Frequency 1e+6 Hz
Dielectric Strength	375 V/mil
Dissipation Factor	0.050 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	43.0 µm/m-°C
Thermal Conductivity	0.190 W/m-K
Maximum Service Temperature, Air	130 °C
Minimum Service Temperature, Air	-40.0 °C

Processing Properties	Original Value	Comments
Cure Time	1.00 - 2.00 hour @Temperature 65.0 °C
	4.00 - 6.00 hour @Temperature 45.0 °C
	16.0 - 24.0 hour @Temperature 25.0 °C
Pot Life	45.0 min @Load 0.100 kg

Descriptive Properties
Mix Ratio	100:11	by weight (Resin: Catalyst)

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PFEPOX027 / 316704

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