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Introducing You to Shrink Film

2024-08-14 09:36:45

Shrinkage film is a packaging material widely used in various industrial fields, with excellent packaging performance and protective functions. This article will introduce the definition, characteristics, classification, and application of industrial shrink films.
 
1.Definition and Principle
Shrinkage film is a thin film made of polymer materials with thermal shrinkage properties, mainly achieved by heating shrinkage to achieve tight packaging of the film, thereby protecting products and improving packaging aesthetics. The principle is that at a certain temperature, the molecular structure inside the film changes, causing a change in the size of the film, thereby achieving shrinkage.
 
2.Characteristics
Good protective performance: The shrink film has good toughness, tear strength, and puncture resistance, which can effectively protect the products inside the packaging and prevent damage during transportation and storage.
Excellent sealing performance: The shrink film can tightly adhere to the surface of the product, providing a good sealing effect and preventing damage from moisture, oxygen, dust, and other factors to the product.
Improving packaging aesthetics: Shrinkage film has the characteristics of good glossiness and clear printing effect, which can improve the packaging aesthetics of products and enhance consumer purchasing desire.
Environmental performance: The shrink film is made of environmentally friendly materials, with strong biodegradability and environmental friendliness.
Strong adaptability: Shrinkage film is suitable for packaging products of various shapes and sizes, and has a wide range of applications.

 

3.Classification
According to materials, it can be divided into polyethylene (PE) shrink film, polyester (PET) shrink film, polyvinyl chloride (PVC) shrink film, etc.
According to the shrinkage performance, it can be divided into: full shrinkage film, partial shrinkage film, etc.
It can be divided into general shrink film, special shrink film, etc. according to its purpose.

PVC5b16Shrinkage film (1)7mlIntroducing You to Shrink Film (2)7kw


4. Application
Beverage industry: Used for packaging bottled beverages, beer and other products, it can effectively prevent bottle contamination and improve product appearance quality.
Electronic and electrical industry: used for packaging electronic products such as computers, mobile phones, televisions, etc., to protect products from damage and improve the overall image of products.
Food industry: used for packaging products such as food, candy, tea, etc.
Daily Necessities Industry: Used for packaging daily necessities such as shampoo, shower gel, cosmetics, etc., to improve product quality and attract consumers.
Logistics industry: used for bundling and fixing items to improve transportation safety.
 
In summary, as a packaging material with multiple advantages, shrink film has been widely used in various fields in China. With the advancement of technology and changes in market demand, the performance and application range of shrink films will be further improved and expanded in the future.