... initial tack,enviroment friendly,without irritation,good scent,excellent flexibilityuses:hardcover casemaking,hardcover book,hardcover PU,cloth booking,etcspeed:30 cases/minmachine: KOLBUS DA36 ... of animal glue is for hard cover case maker,casebound book,hardcover book, book cover, notebook,telephone directories, magazines, catalogues, puzzles, game boards, photo ...