Nowadays, flame-retardant silicone is more and more widely used in our life. For example, the sheaths on high-voltage electrical appliances in our lives, wire sheaths, and sealing strips that work in open flame environments are all made of flame-retardant silicone raw materials. Even Flame retardant silicone also plays an irreplaceable role in aerospace equipment. So do you know the characteristics of flame retardant silicone?

Many people will definitely answer that the characteristic of flame-retardant silicone is that it is not flammable, which we can know from its name. So today let's talk about the characteristics of flame retardant silicone that you don't know?

1. Flame-retardant silicone is divided into halogen-free flame-retardant and halogen-free flame-retardant. Halogen-free flame-retardant has a lower cost and will produce a pungent odor when burning, which will cause harm to the human body and the surrounding environment. Halogen-free flame retardant will not produce pungent and toxic smell when burning. Generally, most of our flame-retardant silicones are halogen-free and flame-retardant silicones, which meet EU ROHS standards;

2. Flame-retardant silica gel has a higher specific gravity and higher density than ordinary silica gel, which is due to the addition of high specific gravity flame retardants;

3. The proportion of flame-retardant silica gel is relatively large, and the quality is also much inferior to that of ordinary silica gel. If someone wants flame-retardant silica gel to achieve the same quality as ordinary silica gel, the cost will be much higher;

4. Flame-retardant silica gel is difficult to color, because flame-retardant silica gel itself is titanium white. If we want to use flame-retardant silicone to make various bright colors, the desired effect is often not achieved, and the cost of color addition is high. Generally, we do not recommend coloring flame-retardant silicone. Flame-retardant silicone generally has three colors: the natural color is titanium white (no need to add color), black, and iron red (because the cost of these two colors is low, it is suitable for coloring flame-retardant silicone).

5. Flame retardant silicone can be divided into V0 flame retardant, V1 flame retardant and V2 flame retardant according to the level. There are burning objects falling, and the V2 flame retardant requirement is that there may be burning objects falling when it is extinguished within 60 seconds from the fire.

6. Flame-retardant silica gel raw materials are more difficult to form than ordinary silica gel, and the mucous membrane will be broken if you are not careful. Therefore, in the production of flame-retardant silica gel, it is generally produced by adding a release agent.

The basic characteristics of flame-retardant silicone are the above. If you have any additions or unclear points, please comment under Ruifeng Silicone. If you want to find a manufacturer of flame-retardant silicone raw materials, it is recommended to come to Ruifeng Silicone for a try.


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