Raw Materials and Adhesive for Paper Edge Board Making
1.Raw materials for paper edge board making:
Two kinds of paper, Applicable inner paper: 360-600g/m2 bobbin fiber paper or corrugated medium or waste kraft liner paper.
① You can also use the paper less than 360gsm. But the quality of the paper must be better, ensuring that it is not broken during production.
② In China, the largest paper is 600gsm, you can also use paper that is above 600gsm.
③ If you want to produce the same thickness of protector, need more layers and thinner paper and glue, the quality of paper must be better, glue also spends more.
Applicable surface paper: 175~250gsm kraft paper.
Notice: You can also use the paper less than 175gsm. But the quality of the paper must be better, ensuring that it is not broken during production.
2.Adhesive for paper edge board making:
The adhesive is PVA latex (white latex).
The ratio of paper and glue in protector production is about 10 to 1.5, that means 10MT paper requires 1.5MT glue.
The composition of adhesive is as follows:
Talcum powder, cornstarch, PVA, calcium carbonate, kaolin.