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 and other polymers and polymer modifiers physics and chemical properties appearance none transparent liquid (white waxy solid below melting point) smell none ph 中 sex vapor pressure tiny viscosity 125 0*…

