epoxy potting resin R-381-5(White)

1.UL certify 2.good manufacturability and insulation property 3.low shrinkage,shining film 4.excellent crack resistance

Brief Introduction

R-381-5 epoxy potting resin is made from epoxy resin, hardener and filler presented in two-component form. It’s heat-resistant grade is B. R-381-5 has gained UL certification (E229550) and complied with the RoHS requirement.

R-381-5 resin part is white, and we could provide other colors as customers’ needs.

Features

Good manufacturability and insulation property, low shrinkage, excellent flexibility, shining appearance of condensate and excellent crack resistance.

Application/Use

It is suitable for the casting and potting for motor and electrical appliance coils which have high demand for flexibility.

Qualification (as the Q/R 101-2010 company standard)

No.	Test Item		Test Method	Unit	Value
1	Appearance		Test Tube	-	Component A is white viscous liquid, component B is colorless transparent liquid, no mechanical impurity
2	Viscosity	Component A	40°C	cps	4500±500
		Component B			500±50
3	Hardness		Shore D	-	≤50
4	Volume Resistivity		At room temperature	Ω·m	≥1×1012
			After immersion in water		≥1×1011
5	Dielectric Strength		Normalcy	MV/m	≥20
6	Pot life		23±2°C	h	≥1
7	Fire resistance		FV method	UL94	FV0

How to use

Mix component A and B with a proportion of 100/30 by weight at room temperature.EmbeddingBake at 80-100°C for 4 hours.

epoxy potting resin R-381-5(White)