nanya formosa asahi fas ptmg3000 polytetramethylene ether glycol ptmeg3000 molecular weight 25190-06-1
products name ：fas ptmg level ：3000 (molecular weight) other names ：ptmeg, polythf products description :polytetrahydrofuran ether, polytetramethyl ether glycol purpose ： polyurethane raw materials an…
