It is made of excellent high poly-mer and other materials better holeing perfprmance.It can be decreased the sleeve difference to increace, The tight sternght and prevent cots from separating j in bearing.

• 微套差不处理胶辊内层采用高分子材料，使胶辊外层保持原来的自然状态无任何变形应力，可重复套制。