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Grades of Pulp and Paper

 

This page contains list of various types of pulp and paper based on their end use, process of manufacturing, raw material used etc. Papers can be graded in 'n' numbers of ways and if we count all permutation and combination of grades total grades may well exceed 10000. Some of the major grades classifications are;

1. Based on basis weight

Tissue: Low weight, <40 g/m2
Paper: Medium weight, 40 - 120 g/m2
Paperboard: Medium High weight, 120-200 g/m2
Board: High weight, >200 g/m2

2. Based on Color

Brown: Unbleached
White: Bleached
Colored: Bleached and dyed or pigmented

3. Based on Usage

Industrial: Packaging, wrapping, filtering, electrical etc.
Cultural: Writing, printing, Newspaper, currency etc.
Food: Food wrapping, candy wrapping Coffee filter, tea bag etc.

4. Based on Raw Material

Wood: Contain fibers from wood
Agricultural residue: Fibers from straw, grass or other annual plants
Recycled: Recycle or secondary Fiber

5. Based on Surface Treatment

Coated: Coated with clay or other mineral.
Uncoated: No coating
Laminated: aluminum, poly etc

6. Finish

Fine/Course
calendered/ supercalendered
Machine Finished (MF)/Machine Glazed (MG)
Glazed/Glossed