Main uses of PVC plastic

Introduction to the main uses of PVC plastic (polyvinyl chloride), mainly introducing the types and common uses of PVC plastics. Of course, the PVC plastic we are talking about currently uses Jiazhao high-frequency machines, that is, high-frequency plastic heat-sealing machines and high-frequency heat-sealing machines. There are also many industries, and a large part of PVC plastic (polyvinyl chloride) products can be used. High-frequency high-frequency heat sealing machine is used for the processing and production of finished or semi-finished products. Such as medical PVC blood transfusion bags, PVC infusion bags, medical PVC urine bags, PVC medicine bags, medical PVC drainage bags, etc. For more introductions, you can refer to: "High-frequency heat sealing machine, high-frequency embossing machine, high-frequency welding machine range of use" introduction.

Ok, let's start with the main uses of PVC plastic (polyvinyl chloride):

1. PVC plastic soft products: extruders can be used to extrude hoses, cables, wires, etc.; injection molding machines can be used to make plastic sandals, soles, slippers, toys, auto parts, etc. with various molds.

2. PVC plastic film: After PVC is mixed with additives and plasticized, use a three-roll or four-roll calender to make a transparent or colored film of specified thickness, and process the film in this way to become a calendered film. Packaging bags, raincoats, tablecloths, curtains, inflatable toys, etc. can also be processed by cutting and heat sealing. The wide transparent film can be used for greenhouses, plastic greenhouses and mulch films. The biaxially stretched film can be used for shrink packaging because of its thermal shrinkage characteristics.

3. PVC plastic-coated products: artificial leather with a backing is made by applying PVC paste to cloth or paper, and then plasticizing it above 100 degrees Celsius. It can also be made by rolling PVC and additives into a film first, and then pressing it with the substrate. The artificial leather without backing is directly calendered into a soft sheet of a certain thickness by a calender, and then pressed with a pattern. Artificial leather can be used to make suitcases, leather bags, book covers, sofas and car cushions, etc., as well as floor leather, which is used as flooring materials for buildings.

4. PVC plastic foam products: when soft PVC is mixed, add an appropriate amount of foaming agent to make a sheet, which is foamed and formed into a foam plastic, which can be used as foam slippers, sandals, insoles, and shockproof cushioning packaging materials. It can also be used to produce low-foaming hard PVC sheets and profiled materials based on an extruder, which can replace wood for trial use and is a new type of building material.

5. PVC plastic transparent sheet: PVC is added with impact modifier and organic tin stabilizer, and it becomes a transparent sheet after mixing, plasticizing and calendering. It can be made into thin-walled transparent containers or used for vacuum blister packaging by thermoforming. It is an excellent packaging material and decorative material-such as moon cake packaging boxes.

6. PVC plastic paste resin: disperse PVC in liquid plasticizer, make it swell and plasticize to form plastisol, usually use emulsion or micro-suspension resin, and also need to add stabilizer, filler, colorant, etc. After stirring and degassing, it is made into PVC paste, and then processed into various products by injection, impregnation, casting or slush molding. Such as hangers, tool handles, Christmas trees, etc.

7. PVC plastic hard board and board: Add stabilizers, lubricants and fillers to PVC. After mixing, use an extruder to extrude hard pipes, special-shaped pipes, and corrugated pipes of various calibers, which are used as sewer pipes, Drinking water pipes, electrical conduits or stair railings. The calendered sheets are superimposed and hot-pressed to make hard plates of various thicknesses. The plates can be cut into desired shapes, and then welded with hot air using PVC welding rods to form various chemical-resistant storage tanks, air ducts and containers.

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