Compared with other fasteners, plastic fasteners have the following characteristics:
1, light weight. Plastics are lighter materials with relative densities ranging from 0.90 to 2.2. Obviously, can plastics float to the surface? In particular, foamed plastics have micropores and a lighter texture with a relative density of only 0.01. This property allows plastics to be used in the production of products that require reduced weight.
2, excellent chemical stability. The vast majority of plastics have good corrosion resistance to acids, alkalis and other chemical substances. Especially known as the plastic king of PTFE (F4), its chemical stability is even better than gold, do not deteriorate in the "aqua regia" cook for more than a dozen hours. Due to its excellent chemical stability, F4 is an ideal corrosion resistant material. For example, F4 can be used as a material for conveying corrosive and viscous liquid pipes.
3, excellent electrical insulation properties. Ordinary plastic is a bad conductor of electricity, its surface resistance, volume resistance is very large, with a digital representation up to 109-1018 ohms. The breakdown voltage is large and the dielectric loss tangent is small. Therefore, plastic has a wide range of applications in the electronics industry and machinery industry. Such as plastic insulated control cables.
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