Details of the packaging industry materials PVC, PET, PP, PE.

- May 11, 2018-

PVC: PVC plastic is a polymer of vinyl chloride monomer. Due to the rich raw materials of PVC resin, the rapid increase in low-price demand has gradually strengthened its position in the packaging industry. According to the molecular weight, PVC can be divided into general type and polymer type. The average degree of polymerization of general PVC is 500 - 150, and the average level of PVC is greater than 1700. The PVC resin we use is universal.


PE: Ultra High Molecular Weight Polyethylene (UHMW-PE) is a thermoplastic engineering plastic. It combines the superior properties of most plastics, impact resistance, low temperature resistance, abrasion resistance, chemical resistance, self lubrication, absorption of impact energy, and the six characteristics are currently of the highest value in plastics. UHMW polyethylene is Ziegler high-pressure synthesis with a molecular weight controlled between 1.5 and 3 million. Considering the thermal degradation of process molecules, the molecular weight of high-density polyethylene exceeds 1.7 million and can be processed into various products to make it more advantageous.


PP: PP (polypropylene) has a high rigidity, high hardness, and high strength, but the notch has impact resistance and toughness. PP material can withstand tensile stress and is easy to weld. It becomes brittle at low temperature, has good chemical stability and excellent electrical properties. Operating temperature varies from 5 degrees to 100 degrees. Features: low density; heat resistance, no deformation; high stiffness; high surface strength; good chemical stability; non-toxic, harmless; disadvantages: general toughness, general oxidation resistance, general wear resistance, low temperature brittleness, welding not High, easily subject to weather conditions. Applications: pump and valve components, water sewers, sealing materials, spray carriers, corrosion tanks, barrels, acid and alkali, for industrial wastewater discharge equipment, scrubbers, clean rooms, semiconductor factories and related industrial equipment and machinery, food machinery , Cutting board, electroplating process, toy accessories, dental catheters, widely used in chemical, mechanical, electrical and electronic industries and other structural materials.


PET: Polyethylene terephthalate, commonly known in China as "Saibai Steel." PET is a high-quality engineering plastic with high rigidity, high strength, high toughness, small friction coefficient, and high dimensional stability. The comprehensive properties of PET profiles can be compared with nylon/PA6, PA66, POM and other engineering plastics, and can partially replace their applications. The scope of application is very broad. Uses: Mechanical parts, gears, cams, blades, pump parts, high-load sliding bearing parts, electronic industry insulators, automotive parts, food hygiene machinery parts.


ABS: ABS plastic is currently the world's largest general-purpose engineering plastics. Chinese name: propylene sunny - butadiene-styrene copolymer, ABS plastic has a wide range of raw materials, low price, easy processing, with excellent impact properties, ABS plastic has a good overall performance, impact performance is very good, Therefore, it is widely used in the replacement of metal materials. Widely used in household appliances, electronic appliances, office equipment, automobiles, machinery and other fields.





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