What are the Areas of Use of Vinyl Siding?

As a Vinyl Siding Supplier, share with you.

Applicable field

Polyvinyl chloride has the outstanding characteristics of abundant raw materials (oil, limestone, coke, salt and natural gas), mature manufacturing technology, low price, and wide range of uses. It has become the second largest general-purpose resin in the world after polyethylene resin. It accounts for 29% of the world's total consumption of synthetic resins. Polyvinyl chloride is easy to process and can be processed by molding, laminating, injection molding, extrusion, calendering, blow molding, etc. Polyvinyl chloride is mainly used to produce soft plastic products such as artificial leather, films, and wire sheaths, as well as hard plastic products such as plates, doors and windows, pipes and valves.

Vinyl Siding Foam Insulation

Polyvinyl chloride is flame retardant (flame retardant value above 40), high chemical resistance (resistant to concentrated hydrochloric acid, 90% sulfuric acid, 60% nitric acid and 20% sodium hydroxide), mechanical The advantages of good strength and electrical insulation. But its heat resistance is poor, with a softening point of 80°C, it starts to decompose and change color at 130°C, and precipitate HCI.

Why is PVC loved and hated by people like this? In fact, the role of chlorine in PVC also makes people love-hate. It turns out that most daily-use plastic products are mainly composed of carbon and hydrogen. The difference between PVC is that in addition to carbon and hydrogen, it also contains chlorine (approximately 57% by weight). Due to the presence of chlorine in the molecule, the role of polyvinyl chloride has become particularly rich, because it can make polyvinyl chloride compatible with many other substances. The chlorine component also helps to delay the burning of PVC, and it can also be used as a "mark" for us to distinguish PVC in the automatic classification system during plastic recycling. We can also use a variety of technologies to develop polyvinyl chloride manufacturing methods, which can be made into the final product form almost without using energy. Therefore, it is the presence of chlorine that makes PVC have such a rapid and broad application field.

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