nanya formosa asahi fas ptmg2000 polytetramethylene ether glycol ptmeg2000 molecular weight 25190-06-1
product name :fas ptmg level :2000 (molecular weight) other names :ptmeg, polythf product description :polytetrahydrofuran ether, polytetramethyl ether glycol purpose :polyurethane raw materials and other polymers and polymer modifiers physical and chemical properties appearance none transparent liquid (white waxy solid below melting point) smell none ph 中 sex vapor pressure tiny viscosity 630* cps(at40℃)*…

