Hits:Updated:2018-10-10 11:10:41【Print】
| Cardboard material classification: Cardboard material is classified by unit weight. There are mainly the following kinds of cardboard materials: K paper: 250g/m2; A paper: 175g/m2; B paper: 125g/m2; 7 paper: 200g/m2 8 paper: 260g/m2; C paper: 127g/m2; core paper: basic 100g/m2; large machine 105-110g/m2; reinforced core paper: + paper 115g/m2; cardboard boxes commonly used three layers, five layers, The seven layers are used less, and the layers are divided into inner paper, corrugated paper, core paper, facial tissue, tea paper, kraft paper, and corrugated paper for core paper. The color and feel of various papers are different. Different manufacturers The paper produced (color, feel) is also different. The national standard for corrugated boxes is GB6543-86 "corrugated boxes". |
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