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2024
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Guangdong PVC film manufacturers tell you how many degrees PVC temperature resistance?
Industrial production of PVC molecular weight is generally in the range of 50,000 ~ 110,000, with a large polydispersity, molecular weight increases with the decrease in polymerization temperature, no fixed melting point, 80 ~ 85 ℃ began to soften, 130 ℃ into a viscoelastic state, 160 ~ 180 ℃ began to transform into a viscous flow state; have good mechanical properties, tensile strength of 60MPa or so, the impact strength of 5 ~ 10kJ / m2; there are Excellent dielectric properties. PVC was once the world's largest production of general-purpose plastics, very widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and so on. The use of PVC: 1, polyvinyl chloride profiles Profiles, profiles is the largest area of PVC consumption in China, accounting for about 25% of the total consumption of PVC, mainly used for the production of doors and windows and energy-saving materials, and its application is still a relatively large increase in the country. In developed countries, the market share of plastic doors and windows is also high, such as Germany for 50%, France for 56%, the United States for 45%. 2、Polyvinyl chloride pipe Among the many polyvinyl chloride products, polyvinyl chloride pipe is its second largest consumption area, accounting for about 20% of its consumption. In our country, PVC pipe is developed earlier than PE pipe and PP pipe, with many varieties, excellent performance, wide range of use, and occupies an important position in the market. 3, polyvinyl chloride film PVC film field of PVC consumption ranks third, accounting for about 10% or so. PVC and additives mixed, plasticized, the use of three-roller or four-roller calender to make the required thickness of transparent or coloring film, with this method of processing film, become calendered film.
Industrial production of PVC molecular weight is generally in the range of 50,000 ~ 110,000, with a large polydispersity, molecular weight increases with the decrease in polymerization temperature, no fixed melting point, 80 ~ 85 ℃ began to soften, 130 ℃ into a viscoelastic state, 160 ~ 180 ℃ began to transform into a viscous flow state; have good mechanical properties, tensile strength of 60MPa or so, the impact strength of 5 ~ 10kJ / m2; there are Excellent dielectric properties.
PVC was once the world's largest production of general-purpose plastics, very widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and so on.
The use of PVC:
1, polyvinyl chloride profiles
Profiles, profiles is the largest area of PVC consumption in China, accounting for about 25% of the total consumption of PVC, mainly used for the production of doors and windows and energy-saving materials, and its application is still a relatively large increase in the country. In developed countries, the market share of plastic doors and windows is also high, such as Germany for 50%, France for 56%, the United States for 45%.
2、Polyvinyl chloride pipe
Among the many polyvinyl chloride products, polyvinyl chloride pipe is its second largest consumption area, accounting for about 20% of its consumption. In our country, PVC pipe is developed earlier than PE pipe and PP pipe, with many varieties, excellent performance, wide range of use, and occupies an important position in the market.
3, polyvinyl chloride film
PVC film field of PVC consumption ranks third, accounting for about 10% or so. PVC and additives mixed, plasticized, the use of three-roller or four-roller calender to make the required thickness of transparent or coloring film, with this method of processing film, become calendered film.
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