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| Customization: | Available |
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| Material: | POF |
| Usage: | Packaging Film |
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Q: How durable is polyolefin?
A: The durability of polyolefin is excellent. It has the characteristics of low relative density, chemical resistance, water resistance, good mechanical strength and electrical insulation. At the same time, polyolefin has high hardness and excellent wear resistance and impact resistance, which makes polyolefin an ideal material for manufacturing lightweight and durable products.
Q: Is polyolefin food grade?
A: Polyolefin can be used for food-grade packaging materials, but it needs to meet certain production standards and safety requirements. Polyolefin is a plastic material made by polymerizing monomers such as propylene or ethylene, and has excellent physical and chemical properties, such as heat resistance, cold resistance, and chemical corrosion resistance. Internationally, the relevant production standards mainly include FDA, EU Food Safety Authority and China GB. These standards specify the physical, chemical, biological, toxicological and other requirements that polyolefin materials should meet when used in food contact, such as polyolefin materials should not contain harmful substances, will not affect food, and will not destroy the nutritional components of food. Therefore, if the polyolefin material meets these standards, it is food grade.
Q: Will polyolefin shrink during storage?
A: Polyolefin may shrink during storage, which mainly depends on its specific type and storage conditions. For example, some commercial polyolefin separators may show severe thermal shrinkage and low permeability due to inherent disadvantages such as low melting temperature and weak surface energy. However, by modifying the raw materials or blending, the shrinkage can be reduced to ensure the safety of the product. Therefore, when storing polyolefin, attention should be paid to its type and storage conditions to avoid unnecessary shrinkage.
Q: What is single roll polyolefin?
A: Single roll polyolefin generally refers to polyolefin materials provided in roll form. This material is made into a continuous film or sheet during the manufacturing process and then rolled up for easy storage and transportation. Single roll polyolefin can have various thicknesses and widths to meet different application requirements. It is often used in packaging, construction, agriculture and other fields as a protective, isolation or decorative material.
Q: How to choose the shrink wrap roll size?
A: When choosing the size of shrink wrap roll, you need to consider the following factors:
Size of the item being packaged: First, measure the length, width, and height of the item being packaged to ensure that the selected shrink wrap roll can completely cover the item and form a good protection.
Shrinkage ratio: Different shrink wrap materials have different shrinkage ratios. When choosing the size, you need to take this into account to ensure that the packaged items can achieve the desired tightness and appearance.
Type of packaging machine: If you use an automatic or semi-automatic shrink wrap machine, you need to make sure that the selected packaging roll size is compatible with the machine.
Economy: When choosing the size, you also need to consider the cost factor. A packaging roll that is too large may waste material, while a packaging roll that is too small may require frequent replacement, increasing labor costs.
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