... density 32*32-48*48 4 length: 1110mm 2011 high quality Kraft-plastic Composite Bag 1- It is made of ... material such as chemical fertilizers, synthetic materials, explosives, feed, salt, minerals etc. Paper-plastic composite bag (Complex bag of ... widely used in chemicals, fertilizers, synthetic materials, explosives, food, salt, minerals or other powdery or granular solid materials packaging technical ...