The advantages of black film and the solution of broken film
Source：The advantages of black film and the solution of broken filmTime：2019-05-06Visitors：
In our daily life, we often see or use a variety of different stretch film to package our items, of which black stretch film is more used and better.
The reason for black stretch film popular is mainly because it has the following advantages:
1. Because the black stretch film is extruded through an extruder, it has high tensile strength, puncture resistance, and strong impact resistance and retraction memory
2, we use it to package the goods, can be wrapped into a whole, so as to avoid flashing collapse and dust pollution during transportation
3. It has good extensibility and can make the packaged items beautiful and atmospheric
4. The black stretch film will remain stable at normal temperature, and heat shrinkage will occur when heated to a certain extent
5. It causes any pollution to the environment.
Black film
In fact, in our actual use, in addition to the above advantages, the black stretch film is not uncommon in the case of film rupture, especially for some stretch film with relatively low thickness, which is often the case. Cross-broken film is a relatively common problem. The reasons for this problem are as follows:
1. The further expansion of various inconspicuous rupture factors will lead to excessive local area
2. When used, there are obvious horizontal stripes and bubbles on the cast piece
3. In the production process, the chain clamp of the equipment is damaged
4. There is a large deviation in the crystallization and orientation of the cast piece; or the damage of the filter leads to high impurity content of the cast piece
5. It may be that when the black stretch film is produced, the raw materials contain some impurities with large differences in properties
These conditions can cause the black stretch film to break the film, so we should pay more attention when using it.
The reason for black stretch film popular is mainly because it has the following advantages:
1. Because the black stretch film is extruded through an extruder, it has high tensile strength, puncture resistance, and strong impact resistance and retraction memory
2, we use it to package the goods, can be wrapped into a whole, so as to avoid flashing collapse and dust pollution during transportation
3. It has good extensibility and can make the packaged items beautiful and atmospheric
4. The black stretch film will remain stable at normal temperature, and heat shrinkage will occur when heated to a certain extent
5. It causes any pollution to the environment.
Black film
In fact, in our actual use, in addition to the above advantages, the black stretch film is not uncommon in the case of film rupture, especially for some stretch film with relatively low thickness, which is often the case. Cross-broken film is a relatively common problem. The reasons for this problem are as follows:
1. The further expansion of various inconspicuous rupture factors will lead to excessive local area
2. When used, there are obvious horizontal stripes and bubbles on the cast piece
3. In the production process, the chain clamp of the equipment is damaged
4. There is a large deviation in the crystallization and orientation of the cast piece; or the damage of the filter leads to high impurity content of the cast piece
5. It may be that when the black stretch film is produced, the raw materials contain some impurities with large differences in properties
These conditions can cause the black stretch film to break the film, so we should pay more attention when using it.
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