South Korea PTG PTMEG 250 polytetrahydrofuran ether/polytetramethyl ether glycol PTMEG250 molecular weight 25190-06-1
SPECIFICATION Specifications ITEMProject UNITUNIT SPECIFICATIONParameters APPEARANCE Appearance — Liquid Transparent Liq…
SPECIFICATION Specifications ITEMProject UNITUNIT SPECIFICATIONParameters APPEARANCE Appearance — Liquid Transparent Liq…