epoxy continuous immersion insulation varnish R-831-2

   epoxy varnish R-831-2 1. made from modified epoxy resin, hardener, thinner  2. presented in two-component form. Component A/B is 1:1 by weight. 3.It has gained UL certification (E227128) and UL insulation system certification (E242776). 4.It's used for minitype motors and apparatus coils of grade B and F. Continuous immersion and fast drying immersion insulation process. 5.Be used for hermetic motor coil.

No.	Test Item	Test Method	Unit	Value
1	Appearance	Test Tube	-	Brown uniform liquid, part B allows little turbid
2	Viscosity	4#cup, 23±1°C	s	12-15
3	Gel Time	130°C	min	≤12
4	Curing in thick layer	130°C,1h		No less than S1U1I3.2
5	Resin effect	Enameled wire	Pencil hardness	≥1H
6	Power Frequency Electric Strength	Normalcy	MV/m	≥20
		Flooding
				≥18
5	Volume Resistivity	Normalcy	Ω·m	≥1×1012
		130±2°C		≥1×107
		Flooding		≥1×1011
6	Pot Life	no gel, below 30°C	d	≥10

        Established in 1992, Rota Group is one of the most professional manufacturers of  impregnating varnish, mica tape, potting resin and embedding resin in China. Most products have been approved by ISO9001, 14000, UL, TUV, FDA, RoHS and REACH, widely used in high-voltage motors, wires and cables, household appliances, industrial pumps, and metallurgy equipments etc. We win the trust of the majority of well-known manufactures, like BOSCH, BLACK & DECKER, Fujitsu,  Shibaura, REGAL, Siemens, EPCOS, N.P.V. and so on.      Professional quality, creating value for customers. Rota Group lead in the aspects of industry scale, product technology and innovation capacity, we will provide quality products and professional services for you. Welcome you!