Tel: +86 188 2689 9458
Tel: +86 188 2689 9458
source:other news release time:2022-12-19 Hits:
OPP plastic bag is a kind of plastic packaging bag with very exquisite materials. It is used in every industry on the market. Many restaurants and supermarkets use a lot of plastic bags. It may use tens of thousands of plastic bags a day. In this case, the environmental protection performance of plastic bags must be paid attention to. If it is not done well, so much plastic will be wasted at once, which will cause huge environmental pollution. If it is used in this way for a long time, It poses a great threat to the ecological environment of the whole earth.
Now let's start with the packaging characteristics of OPP plastic bags:
1. The finished product has good processability, large shrinkage and general heat sealing performance. The product is very good at withstanding heat, and can be safely used in high temperature.
2. It has good chemical stability and is stable to acid, alkali, salt and many solvents within a certain temperature range. The penetration resistance is better than PE, but the gas resistance is still poor. With good stability, chemical reaction will not occur when some special substances are packaged.
3. The high temperature resistance is excellent, and it can be used for a long time within the range of 100~120 ℃. It can be used at 150 ℃ without load. The low temperature resistance is poor, which needs to be improved in the future. This is also a problem that must be paid attention to in plastic packaging bags.
4. It has good mechanical properties. Its strength, hardness and rigidity are higher than that of PE, especially with good bending strength. The ductility is also applicable here. Its products can be stretched for a long distance to increase its packaging range.
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