Common paper packaging materials popular science

Generally speaking, common paper packaging materials include corrugated paper, box board paper, whiteboard paper, white cardboard, gold and silver cardboard, etc. Different types of paper are used in different fields according to different needs, so as to play a role in protecting commodities.

Corrugated paper

According to the corrugated type, corrugated paper can be divided into seven categories: A pit, B pit, C pit, D pit, E pit, F pit and G pit, among which A, B and C pits are generally used for external packaging, and D and E pits are generally used for small and medium-sized packaging.

Corrugated paper has the advantages of light and strong, strong load and pressure resistance, shockproof, moisture-proof and low cost. Corrugated paper can be produced into corrugated board, and then made into different styles of cartons according to customer orders:

1. Single-sided corrugated cardboard is generally used as a lining protective layer for commodity packaging or to make light karg and gasket to protect the vibration or collision of commodities during storage and transportation;

2, three or five layers of corrugated board for the production of goods sales packaging;

3, seven or eleven layers of corrugated board mainly for mechanical and electrical products, furniture, motorcycles, large household appliances and other production of packaging boxes.

Box board paper

Box board paper is also known as kraft paper, domestic box board paper is divided into excellent products, first-class products, qualified products three levels. Paper texture must be tough, break resistance, ring compressive strength and tear degree to be high, in addition to have a high water resistance.

The purpose of box board paper is mainly to make corrugated cartons after bonding with corrugated core, which are used to pack household appliances, daily necessities and other outer packaging, and can also be used for envelopes, shopping bags, paper bags, cement bags, etc.

whiteboard

There are two categories of whiteboard paper, one is for printing, meaning "white board paper" for short; The other refers to the writing paper suitable for whiteboards.