Production method of composite kraft paper bag

The composite kraft paper bag is a kind of bag made of composite materials. The material itself is non-toxic, odorless and non-polluting. It conforms to the national environmental protection standards and is one of the most popular environmentally friendly packaging materials in the world. Kraft paper bags can be seen everywhere in large shopping malls, supermarkets, clothing stores, etc. at home and abroad. Food packaging bags, vacuum packaging bags Composite kraft paper bags are based on all wood pulp paper, with white kraft paper and yellow kraft paper in color. The strength of the bag is made into one to six layers according to customer requirements. The opening and back cover methods are divided into heat sealing, paper sealing and paste bottom. Tea packaging bags, composite packaging bags Composite kraft paper bags are divided into small, medium and large paper types according to different specifications and materials. Aluminum foil bag, plastic packaging bag