What are the raw materials of the carton factory?

The raw material of cartons is cardboard.

Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cartons, etc., with various specifications and models. Cartons generally use three or five floors, and the seventh floor is rarely used. Each layer is divided into lining paper, corrugated paper, core paper and facial paper. The inner paper includes paperboard, kraft paper and corrugated paper for core paper. All kinds of paper have different colors and feel, and the paper produced by different manufacturers is also different.

The raw material of cartons is cardboard, and the raw material of cardboard is base paper, which is divided into five types: K, A, B, C and 3. The best is K paper, and the worst is 3 paper. K paper is also the thickest, and 3 paper is the thinnest. K, A, B and C paper can be used as surface paper and backing paper, and 3 paper can be used as pit paper or backing paper. The material of face paper is usually better than or equal to the base paper. For example, facial tissue is paper, and the usual combinations are A=A, A=B, A=C, etc. , but it can't be a = K.

There is also a kind of paper called W paper, also called white paper, which is close to A paper in thickness and is generally used as facial paper. Ordinary goods can generally be packed in outer boxes. Some small items and high-value items are packed in inner boxes first, with inner boxes outside and outer boxes outside.

Extended data:

Carton material

Classification of cardboard materials: cardboard materials are classified by weight per unit area, mainly including the following cardboard materials:

1, k paper: 250g/m &；; sup2

2. Paper armour:175g/m&; sup2？

3. Paper B:125g/m&; sup2？

4, 7 paper: 200g/m&; sup2？

5, 8 paper: 260g/m&; sup2？

6. Paper C:127g/m&; sup2？

7. Core paper: base100g/m&; Sup2 engine105-110g/m&; sup2？

8. Reinforced core paper:+paper115g/m&; sup2？

Cartons generally use three or five floors, and the seventh floor is rarely used. Each layer is divided into inner paper, corrugated paper, core paper and facial paper. Inner paper and facial paper include tea board paper, kraft paper and corrugated paper for core paper. All kinds of paper have different colors and feel, and the paper produced by different manufacturers is also different. The national standard of corrugated box is GB 6543-86 "Corrugated Box".

References:

Carton-Baidu Encyclopedia