When it comes to protecting products, shrink film is a crucial material that plays a significant role in preserving quality. There are several types of shrink film materials available in the market, each with its unique characteristics and performance. In this article, we will delve into the details of different shrink film materials and شیرینگ پلی اتیلن their performance to help you make an informed decision.

Low-Densified Polyethylene (LDPE) is one of the most widely used shrink films due to its reasonable price and good shrinkability. It is a flexible and clear film that can be used for packaging a wide range of products, from food. LDPE has a relatively high moisture barrier, making it an excellent choice for packaging products that are sensitive to humidity. However, it may not be the best option for high-temperature applications as it can deform and lose its shape.

Linear Low-Densified Polyethylene (LLDPE) is another popular type of shrink film that offers improved transparency and strength compared to LDPE. It has a higher molecular weight, which gives it a more even shrinkage. LLDPE is suitable for packaging products that require a high level of transparency, such as food products that are visible to customers. It also has a good moisture barrier, making it suitable for packaging products that are sensitive to water vapor. However, it may not be the best option for heat-resistant packaging as it can become fragile.

Metallocene Polyethylene (mPE) is a type of LLDPE that offers improved transparency and strength. It has a more consistent shrinkage than traditional LLDPE and can withstand higher temperatures without deforming. mPE is an excellent choice for packaging products that require a high level of clarity and strength, such as food products that are visible to customers. It also has a good moisture barrier, making it suitable for packaging products that are sensitive to water vapor.

Polyvinyl Chloride (PVC) is another type of shrink film that offers improved permeability and strength. It is a stiff and opaque film that is often used for packaging products that require a high level of security, such as electronics and pharmaceuticals. PVC has a good barrier to air and moisture, making it an excellent choice for packaging products that are sensitive to these factors. However, it may not be the best option for high-temperature applications as it can release harmful chemicals when heated.

Polyolefin (PO) is a type of shrink film that offers improved transparency and strength. It is a versatile and clear film that is often used for packaging products that require a high level of permeability, such as food products that are visible to customers. PO has a good barrier to moisture, making it suitable for packaging products that are sensitive to water vapor. However, it may not be the best option for high-temperature applications as it can become brittle.

In conclusion, each type of shrink film material has its unique characteristics and performance. LDPE and LLDPE are suitable for packaging products that require a high level of visibility, while mPE is an excellent choice for packaging products that require a high level of strength. PVC and PO are suitable for packaging products that require a high level of safety and visibility. Understanding the performance of different shrink film materials can help you make an informed decision when choosing the right material for your packaging needs.