... replace water-glass, starch or combined with them to bind printing and binding, paper box,cardboard, paper tube.3. ... with polyethylene, polypropylene and others to use in instrument packing, printing plate.5. Acetalized devivative: PVA and formaldehyde, acetaldehyde, butyraldehyde or ... coating, leather, paper for cetamics, aluminum foil, copper clad plate, security glass and so on.6. Raw material of ...