Knowledge

There are big differences between three-side seal packaging bags and back-sealing bags based on the shape and weight requirements of the packaging con

The thickness of the base material is uneven, and the thickness is too different.

As the number of cooked foods on the market continues to increase, the market demand for vacuum bags has gradually increased.

The bag making temperature is too high, causing the performance of the heat sealing material at the heat sealing area to decline, thereby affecting th

After changing the ordinary packaging bag into a special-shaped vacuum bag, its capacity will also change accordingly.

Dark-colored plastic bags may cause problems, and the darker the color, the more serious the problem, especially black.

Vacuum bags are also called decompression packaging. They extract all the air in the packaging container and seal it to maintain a high degree of deco

Vacuum bags are usually used for packaging in food, medicine, cosmetics and other industries, and can effectively extend the shelf life of products.

Visually observe the sealing part of the packaging bag to check whether there are obvious defects, such as unsealed, uneven sealing, bubbles, etc.

The thickness of the bag will affect its barrier properties. Thicker bags usually have better barrier properties and can effectively cut off external

Judging from the name of the eight-sided sealing bag, the eight-sided sealing bag has eight edges, four edges at the bottom, and two edges on the left

There are many factors that affect the curing effect of composite membranes.