Home Uncategorized Comparison of physical properties of POF heat shrinkable film with PE and PVC shrinkable film

Comparison of physical properties of POF heat shrinkable film with PE and PVC shrinkable film

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1. The specific gravity of cost POF is 0.92, the thinnest thickness is 0.012mm, and the actual unit cost is low The specific gravity of PE is 0.92, the thinnest thickness is more than 0.03, and the actual unit cost is high The specific gravity of PVC is 1.4, the thinnest thickness is 0.02 mm, and the actual unit cost is high
2. POF is thin and tough, with uniform thickness, good moisture resistance and soft texture High tensile strength, high tear strength and adjustable shrinkage Because of LLDPE, the kneading resistance is better PE is thick and tough, with uniform thickness, good moisture resistance and soft texture The tear strength is lower than POF, but much higher than PVC, and the adjustability of shrinkage is poor The rubbing resistance is not as good as POF PVC thick and brittle, uneven thickness, poor moisture resistance, hard and brittle texture Low strength, low shrinkage and poor rubbing resistance
3. POF with cold resistance and other physical properties has excellent cold resistance. It is not hard or brittle at – 50 ℃ and is not easy to crack. It can be used for frozen food packaging After shrink packaging, – 50 ℃ – 95 ℃ is stored for a long time and remains stable With static electricity and anti fog treatment, it is not easy to pollute dust and can keep the product clean and bright PE has excellent cold resistance. It is not hard and brittle in winter or after freezing, so it is not easy to crack during transportation With static elimination treatment, it is not easy to catch dust and can keep the product clean The cold resistance of PVC is very poor, and embrittlement will occur in winter or after freezing, so it is easy to crack during transportation The longer the shrink package is, the tighter the shrink will be, and the package will be deformed No static elimination treatment, easy to be contaminated with dust, making the product pollution fuzzy
4. Processability POF processing process does not produce moisture and will not adhere to the sealing rod, easy maintenance and operation High toughness, smoothness and rubbing resistance make it suitable for automatic packaging in high-speed production line PE processing process does not produce moisture, nor stick to the sealing rod, easy maintenance and operation High toughness, low kneading, can be used for automatic packaging of high-speed production line Volatiles will be produced during PVC processing, which is easy to cause mechanical damage and stick to the sealing rod. It is inconvenient to operate and difficult to maintain
5. Safety after POF shrinkable packaging, the four corners of the seal are soft, will not cut hands, and is resistant to rubbing After PE shrinkable packaging, the four corners of the seal are soft and will not cut hands After PVC shrinkable packaging, the four corners of the seal are hard and sharp, which is easy to cut and bleed
6. Environmental protection and sanitation POF is non-toxic, does not produce toxic smell during processing, and meets the standards of FDA and USDA. PE is non-toxic and does not produce toxic gas during processing. It meets the standards of FDA and USDA PVC is toxic, processing will produce odor and toxic gas, which is gradually banned

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