high quality paper-plastic composite bag 1.kraft-plastic bag 2 loading weight 10-100Kg 3 density 32*32- ... is made of the kraft paper and woven plastic fabric, which have three layers (kraft paper, PE coating, and plastic woven fabric.)2- Its ... , explosives, feed, salt, minerals etc. Paper-plastic composite bag (Complex bag of kraft-plastic) is made of kraft paper, coating, and weaved cloth---A ...