JF-1850 encapsulating resin specific for dry type transformers is an A-Bdual-componentsystem that comprises Part A of liquid epoxy resin and pre-added filler, and Part B, consisting liquid anhydride, pre-added filler, promoting agent, auxiliary agent, etc. Part A and Part B shall be well mixed up in the proportion of 1:1 before pouring into the casting mold.
JF-1850 is featured in the low-viscosity, rational formula and advanced technology, as well as the excellent liquidity and valid period under 30 -60 . Application of this product is found in the pouring for dry type transformers with voltages up to 35KV,time. dry type discharging coils and voltage current transformers. During the curing, JF-1850 is featured in low exothermic peak, small shrinkage and not easy to crack. The condensate of the product shows excellent electric and mechanical performance.
2.Technical parameters of the product
Names of Properties
Bare eye observation
A variety of colors, White sticky liquid
Brown and yellowish transparent liquid, no mechanical impurity
Specific gravity∶Party A
Moisture absorption rate
Room temperature 24 h
Under 25 ,
sealed and avoid light
Pro-heating of pouring materials: preheat Part A and B separately in an 50 ~ 60 oven for 2 to 3 hours.