Because of economy and the cost, the pulp ratio of different grade writing and printing paper is different. In general, adopt many kinds of waste paper to do production ratio to satisfy the DIP pulp quality of different products.
1. Medium Level Writing Printing Cultural Paper
When whiteness require 80% ISO, waste paper ratio: America10# waste paper: Domestic bookpaper: Domestic coated paper=30: 40: 30;
When whiteness require 80% ISO, waste paper ratio: America 10# waste paper: Domestic bookpaper: Domestic coated paper: America 8# waste paper=30: 40: 20: 10
2. Low Grade Writing Printing Paper Making Requirement
When whiteness require 75% ISO, waste paper ratio: America 10# waste paper: Domestic book paper: Domestic coated paper: America 8# waste paper=20: 40: 10: 20
With the dosage ratio increase of America 8#, the ink, dust residual volume is corresponding increase. Leizhan provide the complete set of writing and printing paper making machine include stock preparation line, if you have any need or question, feel free to contact us: email@example.com.