Knowledge

In everyday life, we often see such physical changes. When the hair is gently blown down by the wind, the two iron rods collide with each other, causing electrostatic induction.

Select purified resin for stretch film raw materials to reduce the influence of catalyst;

Poor compatibility will cause "migration" phenomenon, manifested in liquid additives as "sweating" and solid additives as "spray frost".

Stretch film has the same properties as rubber at room temperature, has certain wearability, and has a certain elasticity, high elongation, self-adhesiveness and stretchability

First, a simple way is to "smell", stretch film environmental protection, non-toxic and tasteless, if there is a peculiar smell is mostly toxic, such as a very strong plastic smell

The influence of the raw materials of the product, the influence of raw materials refers to the residual catalyst influence of the raw materials.

Barrier performance: According to the different requirements of product packaging, stretch film should have a certain blocking effect on moisture, water vapor, gas, light, aroma, p

Sometimes looking at the stretch film feels that the quality is very good, but the sealing effect is not good when used, so how can you detect whether the sealing of the film is go

The viscosity of stretch film is a very important product feature, because when packing the goods, if the stickiness is not good, then the goods cannot be wrapped well together and

According to the number of allowable microorganisms per unit volume or unit surface area, this method is mainly suitable for anti-mildew packaging that is very sensitive to microor

The main function of stretch film is to stabilize, conceal and maintain goods, is a very common packaging method in the world

Stretch film has a limited use time, with the increase of use time, if you observe carefully, you will find that the product is slowly aging, and the quality of the product will be