pu wood-imitation material

wood-imitation pu system:polyether polyol and mdi 1.advantage: high hardness,light weight; anti-moisture,not meldew,anti-moth-eaten,effective insulation; be beneficial to the environment; molding process is simple. 2.recommendde ratio: poyol (URP series white material):100 rigid foam isocyanate(blaxk material):100-120 3.physical properties: apperance:light yellow transpant liquid density:1010g/ml(20degrees) viscosity:700-900mpa.s(25degrees) hydroxyl value:250-400mgKOH/g 4.package and storage: with clean,dry,non-leakong drums packaging,white material in 210 kg/drum black material in 225 kg/drum.strored in a cool ,ventilatee,dry place,20degrees.