Solvent-free epoxy resin plastic insulation 401A/401B
This product is a solvent-free epoxy resin glue. The mixture of low viscosity, good impregnation is suitable for impregnation of coils, capacitors within the encapsulating. Having a longer time can be used, the cured product excellent electrical properties, mechanical properties. Can be designed according to user requirements into heat-resistant grade of A, E, B, F, H, C, and different products.
Appearance and characteristics: A B
Viscosity (40 ° C Cps) 175 - 250 20-30
Light yellow and light yellow
First, the mixing ratio: A: B = 100:80
Second, the curing conditions: 100 ° C - 110 ° C × 1 hour
, You can use time: 2 days (at room temperature)
Fourth, the use of technology: A and B in accordance with the proportion of mixed, and then the workpiece is immersed in the paint; if the conditions can be vacuum dipping, so better.
Fifth, the curing characteristics:
Compressive Strength kg/mm2 11
Tensile strength kg/mm2 6
Water absorption 25 ° C% <0.011
Withstanding voltage kv / mm> 20
Surface resistivity Ω 4.8 × 1015
Volume resistivity (Ωcm 2.2 × 1016)
A dielectric constant of 3.8
Dielectric loss tangent 1KHz 8.2 × 10-3
Six, the storage period: 6 months
