Let's Have A Detailed Understanding Of The Common Used Materials For Paper Bags- Yiwu Yuanda Color Printing Co., Ltd.

Let's Have A Detailed Understanding Of The Common Used Materials For Paper Bags

2023-10-16

Let's Have A Detailed Understanding Of The Common Used Materials For Paper Bags

Throughout the entire process of paper bag production, The material of paper bags, As a common packaging material, It is widely used in production and daily life. Paper material has low cost and is suitable for large-scale mechanized production. It has good formability and folding ability, It is suitable for exquisite printing, And has advantages such as recyclability, economy and environmental protection.

1. Kraft paper bags

Kraft paper has high tensile strength, tear resistance, rupture energy, And dynamic strength. The texture is tough and affordable, with good folding and water resistance. Most of them are web paper, And there are also flat paper. It can be divided into single light, double light, striped, and matte, with colors of white and yellow brown. It is mainly used for paper bags and also for food packaging paper.

2. Coated paper bags

Coated paper, Also known as printing coated paper. Mainly refined from advanced raw materials such as wood and cotton fibers. The surface is coated with polishing treatment to increase smoothness and luster, Divided into single and double sides, And the paper surface is divided into two types: glossy surface and fabric texture. The paper has a smooth surface, high whiteness, good ink absorption and inking performance, can reflect all colors in the spectrum and achieve the best results, and has low scalability.

Not only that, But also divided into single copper (coated with gloss on one side), double copper, matte copper and other types (matte coated paper is matte paper, which is more expensive than coated paper). Commonly used grams are 80g, 105g, 115g, 128g, 157g, 180g, 200g, 250g, etc. Suitable for color printing, with bright colors and rich layering changes after printing.

3. White cardboard paper bags

White cardboard paper is a type of cardboard with a white and smooth front and a mostly gray back. This type of cardboard is mainly used for making paper bags after single-sided color printing. The texture is hard and thick, with good upright strength, surface strength, folding resistance, and printing adaptability, suitable for making packaging paper bags.