Phenolic epoxy resin 638 South Asia phenolic epoxy 638 Uses: focus for green electronics encapsulation special feature of the IC package and circuit board (green oil) with high heat resistance, low moisture absorption, low thermal expansion coefficient epoxy . Product description: phenolic epoxy resin is a novolac resin with ECH reaction in alkaline medium for a polymer, compared with a bisphenol A type epoxy resin having a phenolic resin, heat resistance, corrosion resistance and other characteristics , epoxy bonding good mechanical and physical properties, electrical insulation properties and good. The epoxy novolac resin has been widely used for the insulating material laminated products, a special kind of heat-resistant material of the anti-corrosion coating. For electrical, electrical Lamination adhesive material, but also for light curing ink, and civilian weak