high quality paper-plastic composite bag 1.kraft-plastic bag 2 loading weight 10-100Kg 3 density 32*32-48*48 4 length: 1110m high quality Kraft ... -plastic Composite Bag 1- It is made of the kraft paper ... , toughness, and moisture, and other functions, can be widely used for packing of powdery or granular solid material such as chemical ...