What is silicone resin?-Iota

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News > Dynamic industry > What is silicone resin?

What is silicone resin?

Silicone resin containing silicon and oxygen atoms composed of alternating chain semi organic compounds; it is inert material, which is mainly due to the polysiloxane (Polysiloxano) molecules on other materials lack affinity caused. As the chain of the chain link to form a complex network, a series of resin material can be produced.
They are thermosetting resin, after complete condensation and curing, high temperature resistance. Commercial supply of the solution in toluene or other aromatic solvents, the solid content of about 60%, in this state, the viscosity is suitable for easy handling and impregnation.
In enough calories and silicone resin can be without contact agent role and is cured, but generally still use the triethanolamine (triothanolamine) or metal organic compounds, and other basic materials for contact agent. When using alkaline filler or asbestos, also should be used to consider the effect of the alkali substance on the silicone resin.
In the production of standard silicone resin Huaihua, no matter what kind of material, it is very difficult to master the quantitative contact agent. The general use of each batch of raw materials are slightly different, in order to obtain fixed gelation rate, must use different amounts of contact agent, manufacturers have hold indicating the precise amount of, each batch of raw materials must be stored separately and clearly marked.
In some cases, the addition of alcohol or acetic acid, the latter and the base material, can be extended to the life of the resin solution which has been added.
The product, which is produced by air drying, is easy to handle and packaging after the air drying is used to wrap the glass fiber. Silicone resin curing temperature for 175---250`C, in cooperation with the foaming seen, made full stop that resin concentration, to become a soft flow of solid, then switch to hard, refractory material.

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