... has big adhesive strength, film forming flexile, use it to replace starch and casein or use with them, conduct as coating ... smoothness, and suitability to print. PVA water solution can replace water-glass, starch or combined with them to bind printing and binding ... glue ), sponge, etc. Acetalized devivative has good adhesive strength to glass, can used in coating, leather, paper for cetamics, aluminum ...