Clear Potting Epoxy Ab Glue Epoxy Potting Material High Hardness 80 Shore Waterproof Potting Adhesive For Circuit Board Power Module Transformer Product description: HN-5508 epoxy resin at room temperature or low temperature, with low viscosity, long operation time, good fluidity, and easy penetration into the clearance of the product; no bubbles after curing, smooth surface, luster, high hardness; curing materials have good acid and alkali resistance, moisture-proof,