Epoxies, Etc 20-1625 Optically Clear Silicone Potting and Encapsulating Compound

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Epoxies, Etc 20-1625 Optically Clear Silicone Potting and Encapsulating Compound
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: 20-1625 is a low viscosity and easy to use 1:1 ratio silicone system. It is designed for applications that require clarity and protection from shock and vibration. 20-1625 provides good heat resistance and is flame retardant. 20-1625 is formulated without solvents or other toxic materials. It is therefore not regulated or considered hazardous for transportation. Features: Easy 1:1 mix ratio Soft Excellent electrical properties Solvent free Optically clear Benefits: Simple to use Low stress on components and vibration resistant Extends life of electronic assemblies No by-products released during cure and safe to handle Easy component identification Information provided by Epoxies, Etc
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Physical Properties	Original Value	Comments

Specific Gravity	0.980 g/cc	Resin (Part A)
	0.980 g/cc	Activator (Part B)
Viscosity	4000 cP	Activator (Part B)
	4500 cP	Resin (Part A)
Storage Temperature	18.0 - 27.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	25

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm
Dielectric Constant	2.7 @Frequency 60 Hz
Dielectric Strength	500 V/mil

Thermal Properties	Original Value	Comments
CTE, linear	270 µm/m-°C
Thermal Conductivity	1.10 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	20.0 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	3.00 - 4.00 hour @Temperature 25.0 °C
	60.0 min @Temperature 60.0 °C
Shelf Life	6.00 Month

Descriptive Properties
Color	Clear	Resin (Part A)
	Clear	Activator (Part B)
Working Time	20 min

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PFEPOX001 / 316678

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