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What are the characteristics of PP material processing woven bag?
Release time:
2023-08-14
The woven bag is mainly composed of two chemical substances, one is PP polypropylene and the other is PE polyethylene. Using professional catalyst to accelerate flower polymerization. PP material is mainly extracted from petroleum, Chinese called polypropylene.
The woven bag is mainly composed of two chemical substances, one is PP polypropylene and the other is PE polyethylene. Using professional catalyst to accelerate flower polymerization. PP material is mainly extracted from petroleum, Chinese called polypropylene. The molecular chain is arranged smoothly and orderly, and it is a regular polymer material. According to the degree of crystallization is divided into isotactic PP polypropylene and random PP polypropylene. The material polymerized from polypropylene is a highly crystalline thermoplastic resin having a molecular weight of 80,000 to 150,000. Random PP polypropylene is a kind of amorphous wax with a little red surface at room temperature, and its molecular weight is relatively low, so its application range is relatively narrow. Now with the rise in oil prices, the price of PP raw materials has also risen, resulting in an increase in the cost of woven bags.
Woven bag manufacturers use pp material processing of woven bags mainly have the following characteristics:
First, the crystalline material is less hygroscopic and easily damaged, and will easily decompose in contact with metal.
Second, it has good fluidity, large shrinkage range and value, and is prone to deformation and shrinkage.
Third, the cooling is fast. And cooling equipment, the cooling speed is slow, and it is easier to control the molding temperature.
You can choose whether to use PP material or OPP material according to your own needs, find out the material that is really suitable for your products, compare multiple manufacturers, and find out what is really suitable for your enterprise.
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