Correct use of pof shrink bag

Pof shrink bags are not suitable for heating in a microwave oven. Some colored plastic packaging especially cannot be placed in a microwave oven. After being added, these colors may fall off and release toxic substances, causing greater harm to the human body. Even the completely colorless POF heat shrinkable bag is not suitable for microwave ovens, because plastic products are very likely to melt and release toxic substances with greater toxicity. Food in pof heat shrinkable bags should not be kept cold in the refrigerator. Ordinary plastic packaging cannot achieve the preservation effect due to airtightness. It will also cause bacteria to grow and endanger human health. The correct use of pof heat shrinkable bags is not only beneficial to environmental protection, but also has a greater impact on human health, which requires widespread attention and attention. Pof shrink bags are widely used in the outer packaging of food, medicine, beverages, alcohol, electrical products, electronic products, toys, daily necessities, paper products and other products. Especially its excellent shrinkage characteristics make it the first choice for heat shrink packaging. Advantages of pof heat shrinkable bags: high transparency, good gloss; good flexibility, easy to use; large shrinkage rate, the shrinkage rate can reach 75%; good heat-seal performance, high strength, suitable for manual, semi-automatic and high-speed automatic packaging ; Good cold resistance, can maintain flexibility at -50 without brittleness, suitable for storage and transportation of the packaged materials in cold environments; environmentally friendly, non-toxic, and can be used for packaging food. The use of PE protective film, POF heat shrinkable film product characteristics