1.kraft-plastic bag 2 loading weight 10-100Kg 3 density ... kinds of color 2011 high quality Kraft-plastic Composite Bag 1- It is made of the kraft paper and ... woven plastic fabric, which have three layers (kraft paper, PE coating, and plastic woven fabric.)2 ... explosives, feed, salt, minerals etc. Paper-plastic composite bag (Complex bag of kraft-plastic) is made of kraft paper, coating, ...