High pressure polyethylene PEF board (insulated) Product introduction: High pressure polyethylene (PEF) is adopted advanced foaming technology production line, adopt the most advanced scientific formula, with high pressure polyethylene, flame retardants, foaming agent, crosslinking agent and so on many kinds of raw material, through dense blending refined, open the bridging polyolefin through chemical refining of high magnification foaming and become reticular polymer structure of balanced bubble product, has 20, 30, 40, 45 (density) a variety of foaming avaiable series products, in flame retardant and flame retardant performance separately on 26, 28, has 30, 32 oxygen index series products and common product, the product has quite subtle fully independent bleb structure.