Process and raw materials selected by paper straw manufacturers:
1. Paper
In the choice of paper, domestic and foreign paper straw manufacturers generally use kraft paper and cellophane to make paper straws. Kraft paper using sulfate coniferous wood pulp as raw material, by beating, in the long net paper machine made, is a kind of tough water resistant environmental protection packaging paper.
Cellophane is a kind of film made of natural fibers such as cotton pulp and wood pulp by adhesive method. It is transparent, non-toxic, tasteless, breathable, heat resistant, is an ideal food packaging paper. Both are excellent raw material paper for paper straws, which can be considered in terms of cost control and printing process.
2. Glue
Paper straw manufacturers generally use biodegradable adhesives and water-based adhesives as adhesives for paper straws in the selection of glue. White latex is a kind of water-based environmental protection adhesive which is widely used and greatly used at present. It has the characteristics of good film forming, high bond strength, fast curing speed, good acid and alkaline resistance, easy to use, cheap price, no organic solvent and so on.