We are familiar with PVC, polyurethane PU, ordinary silica gel, magic glue, AB glue, silicone rubber.
PVC material: the main ingredient is polyvinyl chloride powder, adding other ingredients to enhance their heat resistance, toughness, and ductility, such as alcohol under 170 degrees, mixed with concentrated sulfuric acid 1:3 production of vinyl chloride and vinyl mix, will produce ethylene dichloride; ethylene dichloride and vinyl chloride can be converted, it is an essential component of PVC. Polymerization of vinyl chloride molecules connecting together the PVC chain. Polyvinyl chloride is a white powder that is generated in this way. PVC soft rubber by PVC powder mixed DINP/DOP, plasticizer in added heat resistance color moved of joined amount of increased toughness agent, anti-aging agent, and modified sex agent,, by mixed refining, and pressure extended, and vacuum sucking plastic, process and into of material, its features light, and insulation, and insulation, and moisture, and flame retardant, and anti-bent strength and the impact toughness strong, rupture Shi extends degrees high, and construction simple, features. Specifications, many colors, patterns, the highly decorative and can be used to make gifts, wires, pipes, construction materials, and so on, which is popular in the world, is popular and widely used a synthetic material.
Usage: its global second-highest usage in a variety of synthetic materials. According to statistics, in 1995 alone for a year, production of PVC in Europe there are about 5 million tons, while consumption is 5.3 million tons. In Germany, PVC production and consumption of an average of 1.4 million tons. PVC is a 4% growth in the worldwide production and use. The mat color variety produced with this material, good stability, shape variety fashionable by the car owners love.
Cons: clay is weak, temperatures above 80 degrees for a long time the dye itself will produce oil in oil to the dashboard!
Recommendations: PVC must use thermal conductivity do not put more than 70 degrees above body heat, because not all auto instrument panel can withstand temperatures above 70 degrees for a long time.
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