Plastic bags are divided into two kinds of roller cloud: the first kind of can separate, called a set of glue, glue material of PP and soft PVC or acid and alkali resistant rubber. The second kind of not separate, called one plastic bags of roller, plastic bags of a roller materials for PP and second injection into monsanto. PP characteristics: good + 90 ℃, high stiffness, resistance to bend sex, resistant to strong alkali. Application: suitable for LCD, equipment, ultrasonic equipment, etc. Note: the above only for individual specifications, otherwise DuoZhong specifications censure.