Introduction to Silicone Insulating Paints-Part 1

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Organic silicone resin is one type of compound which belongs to half inorganic and half organic structure macromolecular compound. It consists of both of inorganic and organic materials’ properties. Its dielectric properties could maintain status quo in bigger ranges of temperature, humidity and frequencies. It also has excellent thermal oxidation stability, chemical resistance, cold resistance, radiation resistance, weather resistance, electrical isolation and demoulding properties. It is according to these, silicone resin has been widely applied as cold resistance and heat resistance isolation coating which could be used to immerse H-grade electrical engine wire and glass cloth and to make some electrical engine isolation tubes; It could also be used to stick mica powders or pieces, this could be used to produce high-voltage electrical device mica board, mica tube and mica materials; as the base material to some special coating, it could be used to manufacture heat-resistance coating material, weather resistance material, demoulding material and waterproof coating material; as the base material and main material to produce anti-humidity adhesive and pressure sensitive adhesive; as the base polymer to produce heat and cold resistance and electrical isolation mold plastics, the shell package sealing material for electronic parts and applied in textile, construction and healthcare.

Organic Silicone Insulating Paint

Electrical engine or device’s volume, weight and product life is highly dependent on the properties of the used electrical isolation materials. Generally, the better heat resistance and electrical isolation the insulting materials have, the volume could be smaller, the weight could be lighter (to save raw materials) and the product life could be longer under the same circumstance. Insulating materials are usually made of insulating paints, organic materials like paper, cloth and mylar films or inorganic materials like glass cloth, asbestos cloth and micas.

Insulating paints should have great dielectric property, higher insulating resistance and electrical strength; it should contain the heat resistance which is compatible with the work environment of electrical devices, excellent mechanical property and abrasion resistance; it also has good thermal conductivity and humidity resistance. It is also economic, reliable and rich of sources. Insulating paint is one important insulating material which is based on macromolecular polymer and then could be solidificated to insulating film or the whole part in some certain condition. It usually consists of three parts- paint base, solvent and assisted materials. In high-temperature engine, dry transformer and some other electrical devices, different types of electrical insulating materials like insulating paints, coating cloth, coating tapes, coating tubes, coating wires and layer pressure boards are also required.

The electrical materials that consist of organic resins and organic materials could be used for a long period. If we consider polysiloxane modified organic resins, they we could get F grade insulating materials.

Organic silicone insulating material takes an extremely important role in the manufacturing of electrical devices and engines. The earliest electrical devices and engines are limited to the level of technologies; most insulating materials are made of clothes, paper or dry oils. The manufactured devices are big, chunk. Their volumes are small and efficiencies are low; as the development of technologies, all industries gradually have higher requirements on all kinds of electrical devices. The new requirements could be electrical devices could be used in tough environments like high humidity, in many corrosive intermediaries or radiations; the devices are also needed to be small, light has large containing volume, the efficiency should be large and the product life should be long. Of course, the devices should be running safe as well. This challenges the new functions of insulating materials. High property organic silicone insulating material and paint’s research and manufacturing could satisfy the needs from electrical industries on the needs of special properties like heat resistance and electrical isolation.

Silicone resin insulating material has excellent high temperature isolation, it could be used long in high temperature and it belongs to H grade insulating material. It also has excellent dielectric isolation property and the property could be stable in a large range of temperature and it could be used in both of high and low frequencies. At the same time, it has excellent properties like humidity resistance, waterproof, alkaline and acid resistance, radiation resistance, odor resistance and non-poisoned. Its electrical properties are better than other organic paints in both of low and high temperatures. Another feature is that when it is broken in high temperature, it will be not inflame and the rest is SiO2. Organic silicone could be compatible with heat resistance insulating materials like micas, glass wires and glass clothes to fulfill the increasing needs from spaceships, aircrafts, and electrical devices.

Silicone resin insulating material is usually organic silicone varnish paint; it means the silicone resin liquid which has not been filled with pigments, fillers or other components. It could also be magnetic paint which has high-temperature solidification type or low-temperature solidification type. It has two types- one is the pure silicone paint which is just to use polysiloxane as the bone structure; the other one is the modified silicone paint that combined to thermosetting organic silicone resins and the bone structures even contain some carbon chains. Even though pure silicone is hard to be decomposed, color changed or charred in high temperature. However, to compare with general organic resins, it has bad adhesion to base materials like metals, plastics and rubbers. To co-polymer or mix it with some organic resins could improve disadvantages above.

Summary

As one of the main applications of organic silicone resins, silicone insulating paints are playing such an important role in many industries, especially in heavy industries like electrical manufacturing, aircrafts and some others. These make organic silicone insulating paints are also focused by the governments for some crucial areas like national defense or universe navigations. In other words, besides the traditional B2B and B2C market, this product is also popular with B2G transactions. Thus, organic silicone insulating paints contain high commercial potential value which means they will have long-lasting hot sales in both of domestic and international markets.