What is PVC for

  Polyvinyl chloride (PVC for short) is the first general-purpose synthetic resin material in China and the second-largest in the world. At present, PVC has become one of the most widely used plastic varieties in the field of industry, construction It is widely used in agriculture, daily life, packaging, electric power, public utilities, and other fields. Together with polyethylene (PE), polypropylene (PP), polystyrene (PS), and ABS, it is collectively referred to as the five general resins.

Main uses and industrial chain of PVC:

  1. PVC profiles: profiles and profiles are the areas with the largest consumption of PVC in China, accounting for about 25% of the total consumption of PVC. They are mainly used to make doors and windows and energy-saving materials. At present, their application is still growing by a large margin throughout the country. In developed countries, the market share of plastic doors and windows is also the highest, such as 50% in Germany, 56% in France, and 45% in the United States.

2. PVC pipe: among many PVC products, PVC pipe is the second largest consumption field, accounting for about 20% of its consumption. In China, PVC pipe is developed earlier than PE pipe and PP pipe, with many varieties, excellent performance, and wide application range, which occupies an important position in the market.

3. PVC membrane: the consumption of PVC in the field of PVC membrane ranks third, accounting for about 10%. After PVC is mixed and plasticized with additives, a transparent or colored film with a specified thickness is made by a three-roll or four-roll calender. The film is processed by this method to become a calendered film. You can also cut and heat seal packaging bags, raincoats, tablecloths, curtains, inflatable toys, etc. The wide transparent film can be used for greenhouse, plastic greenhouse, and plastic film. The biaxially stretched film has the characteristics of thermal shrinkage and can be used for shrinkage packaging. 4. PVC hard materials and plates: add stabilizers, lubricants, and fillers into PVC. After mixing, hard pipes, special-shaped pipes and corrugated pipes of various diameters can be extruded by extruder for downcomer, drinking water pipe, wire sleeve, or stair handrail. The calendered sheets can be overlapped and hot-pressed to make hard plates of various thicknesses. The plate can be cut into the required shape, and then welded into various chemical corrosion-resistant storage tanks, air ducts, and containers with PVC electrodes and hot air.

5. PVC general soft products: they can be extruded into hoses, cables, wires, etc. by extruder; Plastic sandals, soles, slippers, toys, auto parts, etc. can be made by injection molding machine with various molds.

6. PVC packaging materials: PVC products are mainly used for packaging various containers, films, and hard pieces. PVC containers mainly produce PTP packaging of mineral water, beverages, cosmetic bottles, and drugs, as well as the packaging of refined oil. PVC film can be used for CO extrusion with other polymers to produce low-cost laminated products and transparent products with a good barrier. PVC film can also be used for stretch or heat shrinkable packaging, and for packaging mattresses, cloth, toys, and industrial commodities.

7. PVC wallboard and floor: PVC wallboard is mainly used to replace aluminum wallboard. In addition to a part of PVC resin, the other components of PVC floor tiles are recycled materials, adhesives, fillers, and other components, which are mainly used in the ground of airport terminal buildings and hard ground in other places.

8. PVC daily consumer goods: luggage bags are traditional products made of PVC. PVC is used to make all kinds of imitation leather, luggage bags, and sports products, such as basketball, football, and football. It can also be used to make uniforms and belts for special protective equipment. PVC fabrics for clothing are generally absorbent fabrics (without coating), such as ponchos, baby pants, imitation leather jackets, and various rain boots. PVC is used in many sports and entertainment products, such as toys, records, and sporting goods. At present, PVC toys have a large growth. PVC toys and sporting goods have advantages because of their low production cost and easy molding.