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EL-CAST VFR PLUS is our newest innovation where fire safety is a priority. It is a filled, low viscosity, high temperature potting and encapsulating resin, with superior flame resistance, achieves 0 second AfterFlame with certain hardeners, has no flame drip and is easier to mix. Underwriter Laboratory (UL) approved at 94 V-O. Resin has excellent bonding properties, high gloss finish with minimal shrinkage and with 117 hardener is a soft 94 V-O material. Ideal for transformers, alarm systems, filters, magnetic components and surge protectors.
Unit of Measure

Specification Chart

Specification Chart

 N/A
HARDENERS COLOR HARDNESS
SHORE "D"
@ 72 ºF		 MIXING RATIO
(Parts by Weight)		 MAX. USE TEMP.
ºF		 MIXED VISCOSITY
CPS @ 72 ºF		 DIELECTRIC STRENGTH
as per ASTM D149		 DIELECTRIC CONSTANT
as per ASTM D150		 CTE
in/in/ºF as per ASTM D696		 THERMAL CONDUCTIVITY-BTU
as per ASTM C177		 POT LIFE MINUTES
(100 gram Mass)
@ 72 ºF
RESIN HARDENER
117 Black 75 "A" 100 30 200 7,000 496 4.22 4.41 x 10-5 6.25 180
118 Black 85 100 10 400 6,000 499 4.28 5.35 x 10-6 6.65 120
641 Black 85 100 12 250 8,000 496 4.28 5.33 x 10-6 7.00 80
4123 Black 80 100 12 250 5,000 496 4.22 1.34 x 10-5 6.70 80
TS-100 Black 85 100 6 300 6,000 408 4.48 7.90 x 10-6 6.65 240