Epoxies, Etc 20-3302NCLV Water Clear Optically Transparent Epoxy Potting Compound & Adhesive

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Epoxies, Etc 20-3302NCLV Water Clear Optically Transparent Epoxy Potting Compound & Adhesive
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: 20-3302 is a two component, ultra clear epoxy system. It provides excellent optical transmission along with outstanding adhesion and electrical properties. This high purity grade polymer system is formulated with proprietary ultraviolet protectors to minimize yellowing of the cured epoxy. This adhesive\potting compound, when UV aged in a QUV Weatherometer, outperforms other commercially available epoxy systems. 20-3302 is a low viscosity system designed for L.E.D. encapsulating, fiber optics, and any potting or adhesive application requiring optimum clarity. This epoxy system also provides a bubble free and glass smooth finish. 20-3302NCLV is a lower viscosity version of 20-3302. Both resins utilize the same curing agent. Features: Low viscosity Water clear Outstanding electrical properties Bubble free castings Information provided by Epoxies, Etc
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Physical Properties	Original Value	Comments

Specific Gravity	0.960 g/cc	Catalyst
	1.10 g/cc	Resin
Viscosity	250 cP	Mixed

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85
Shear Strength	2250 psi	Lap

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 3.50e+14 ohm-cm
Dielectric Constant	3.1
Dielectric Strength	500 V/mil

Thermal Properties	Original Value	Comments
CTE, linear	62.0 µm/m-°C @Temperature 30.0 - 90.0 °C
Maximum Service Temperature, Air	135 °C
Minimum Service Temperature, Air	-45.0 °C

Optical Properties	Original Value	Comments
Refractive Index	1.564
Transmission, Visible	90 %	3000 angstroms
	98 - 99 %	3100 angstroms to 2.5 microns

Processing Properties	Original Value	Comments
Cure Time	1.00 - 2.00 hour @Temperature 125 °C
	24.0 hour @Temperature 25.0 °C
Pot Life	30.0 - 45.0 min @Load 0.100 kg

Descriptive Properties
Color	Water clear
Mix Ratio	100:50	by weight (Resin:Hardener)
	100:60	by volume (Resin:Hardener)

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PFEPOX039 / 316716

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