Epoxies, Etc 20-1634 Lightweight Silicone Potting and Encapsulating Compound

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Epoxies, Etc 20-1634 Lightweight Silicone Potting and Encapsulating Compound
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: 20-1634 is a low density, two component silicone elastomer. The 20-1634 is less than half the weight of most commercially available potting and encapsulating compounds. 20-1634 utilizes an advanced micro balloon technology filler. This system is ideal for applications that require low weight, flexibility, high heat resistance, and excellent electrical insulation properties. 20-1634 is formulated without solvents or other toxic materials. It is therefore not regulated or considered hazardous for transportation. Features: Low density Flexible Deep section curing (beyond 1-2 inches) Solvent free High operating temperatures Benefits: Does not add much weight to products Low stress on components and vibration resistant No need for multiple pours due to low exotherm Good protection in extreme environmental applications No by-products released during cure and safe to handle Information provided by Epoxies, Etc
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Physical Properties	Original Value	Comments

Specific Gravity	0.800 g/cc	Resin (Part A)
	0.820 g/cc	Mixed
	0.970 g/cc	Activator (Part B)
Viscosity	100 cP	Activator (Part B)
	30000 cP	Mixed
	45000 cP	Resin (Part A)
Storage Temperature	18.0 - 27.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	34
Tensile Strength	125 psi
Elongation at Break	225 %
Tear Strength	16.5 pli

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm
Dielectric Constant	3.1 @Frequency 100 Hz
Dielectric Strength	450 V/mil

Thermal Properties	Original Value	Comments
CTE, linear	200 µm/m-°C
Thermal Conductivity	1.10 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	235 °C
Minimum Service Temperature, Air	-65.0 °C

Processing Properties	Original Value	Comments
Pot Life	60.0 min @Load 0.100 kg
Shelf Life	6.00 Month

Descriptive Properties
Color	Clear	Activator (Part B)
	White	Resin (Part A)

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PFEPOX002 / 316679

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