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May 24, 2016
The basic structural unit of the siliconeproduct is made of silicon oxide chain section constituted by the side chainsbonded to silicon atoms with various other organic groups. Thus, in thestructure of silicone products containing both "organic group" andalso contain "inorganic structure", this particular composition andmolecular structure and properties of inorganic substances to make it functionin a set of organic matter. Compared with other polymer materials, the mostoutstanding performance silicone products are:
Temperature characteristics
High thermal stability of siliconeproducts, high temperature (or radiation) molecular bond is not broken, do notbreak down. Silicone not only temperature but also low temperature can bewithin a wide temperature range. Whether chemical or physical properties andmechanical properties, temperature dependence is very small.
Weatherability
The main chain of silicone products for the-Si-O-, unparalleled key exists, it can not easily be decomposed by ultravioletlight and ozone. Silicones have better than other polymer materials, thermalstability and resistance to radiation and weathering capabilities. Siliconenatural environment life of up to several decades.
Electrical insulation properties
Silicone products have good electricalinsulation properties, dielectric loss resistance, voltage, resistance, arcresistance, corona, volume resistivity and surface resistivity etc. among thebest in the insulating material, and their electrical performance is affectedby temperature and frequency is very small. Therefore, they are a stableelectrical insulating material, it is widely used in the electronics and electricalindustry. In addition to the silicone has excellent heat resistance, but alsohas excellent water repellency, which is the use of electrical equipment in wetconditions with a guarantee of high reliability.
Physiologically inert
Polysiloxane compound is known to mostnon-active compounds is they extremely resistant to biological aging, andanimal body without rejection, and has better anti-clotting properties.
Low surface tension and low surface energy
Silicone main chain is very supple, theforce between molecules is much weaker than hydrocarbons. Therefore, comparedwith the molecular weight of a low viscosity hydrocarbon, weak surface tension,surface energy is small, the film-forming ability. This low surface tension andlow surface energy is the main reason it gets many applications: the excellentperformance of hydrophobic, anti-foaming, foam stabilizers, anti-sticking,lubricating, polishing and so on.