We can supply 30,000--250,000 molecular weight polyacrylonitrile powder. It includes copolymerized acrylonitrile and homo acrylonitrile. Polyacrylonitrile powder（powder of Acrylonitrile Polymer） Model Molecular Weight Moisture Composition Appearance Package P30T Mw=85,000 1% Terpolymer（AN,MA,SSS） White powder 25KG/Bag P60C Mw=150,000 1% Copolymer（AN,MA） White powder 25KG/Bag P90H Mw=250,000 Less than 1% Homopolymer White powder 25KG/Bag *Quality Standards: the sample as a standard, We guarantee the goods and samples are consistent We can provide high quality products, excellent service and reasonable prices.