You may not hear much about polypropylene, but I believe you have heard about polyethylene, which is our common plastic. However, because polyethylene is not suitable for food packaging, it is mostly used in industry. Considering the environment, most of them use polypropylene, After all, this material can play a great role in environmental protection, and the plastic woven bags made of this material can be used in food packaging.
Our common rice bag packaging is the use of this material packaging bag, this material can be recycled, and the utilization rate has been greatly improved. The use conditions of polypropylene are relatively strict, flammable, melting point 189 ℃, softening at about 155 ℃, the use temperature range is - 30 ~ 140 ℃ . Under 80 ℃, it can resist the corrosion of acid, alkali, salt solution and various organic solvents, and decompose under high temperature and oxidation. We should pay attention to the temperature. We should pay attention to the fire protection in the storage area, and check the packaged goods regularly to ensure that there will be no fire and other problems. The polypropylene plastic woven bags should be controlled at 80 ℃ ° It can resist the corrosion of acid, alkali, salt solution and many kinds of organic solvents, and can decompose under high temperature and oxidation.