We are offering tetrahydrofuran. Application : thf is widely used in the resin solvent (tape coating, pvc surface coating, pvc reactor cleaning, removal of pvc film, cellophane coating, plastic printing ink and thermoplastic polyurethane coating). reaction solvent (format reagents, alkyl alkali metal compound and aromatic alkali metal compound, aluminum hydride and boron hydride, steroids and macromolecular organic polymers). chemical intermediate product (polymerization ptmeg and natural flavor enhancer); chromatography solvent (gel permeation chromatography).