A standard list of the different grades of paper according to the European List of Standard Grades of Recovered Paper and Board (printed on recycled paper!)
http://www.paperonweb.com/EN-643-154434A.pdf
Any paper that contains foreign matter reduces its value:
- metal - plastic - glass - textiles - wood - sand and building materials - synthetics
Grades:
Grade 1: Ordinary grade paper
- 'mixed paper and board' (paper that consists of a mixtures of different grades);
- supermarket corrugated paper and card;
- magazine paper;
- telephone books;
- 'mixed newspaper and magazine' (paper that consists of a mixture of recycled newspapers and magazines.
Grade 2: Medium grade paper
- newspapers
- coloured paper
Grade 3: High grade paper
- printed bleached sulphate board
- white wood-free coated paper
- white newsprint
Grade 4: Kraft grade paper
- Kraft paper (produced from chemical pulp processed by the kraft process, a technology for conversion of wood into wood pulp consisting of almost pure cellulose fibers)
Grade 5: Special grade paper
- White wet-strength wood-free paper
- Liquid board packaging (multi-ply paperboard with high stiffness, strong wet sizing and a high barrier coating, only virgin paper fibers are used)
No comments:
Post a Comment