What we usually call silica gel has two physical states, one is a flowing liquid; the other is a solid. Non-solid silica gel that can flow like water is called liquid silica gel; of course, liquid silica gel has a certain viscosity and is usually denser than water, so its fluidity is not as strong as that of water. Liquid silica gel will undergo a curing reaction after encountering a curing agent or catalyst, and will be cured into solid silica gel with different hardness and different properties according to the type of liquid silica gel.

Liquid silica gel can be divided into:

1. Mold silicone
Mold liquid silicone is a new type of molding material. Compared with steel molds, silicone molds made of mold silicone have huge advantages in production efficiency and production cost. Today, mold silicone has been widely used in toy and gift industry, medical, electronic, mechanical fields, character reproduction, home building decoration industry, unsaturated resin handicraft industry, simulation animal and plant sculpture, Buddha carving crafts and other industries.

2. Pad printing silicone
Pad printing liquid silicone is used to make pad printing heads, mainly used for printing plastic toys, electroplating products, electronic toys, trademarks, and irregular patterns. The pad printing rubber head is to use the pattern on the steel plate as a carrier through the rubber head, and then transfer the pattern on the steel plate to the toy product. Pad printing liquid silicone can control the hardness by adding silicone oil.

3. Electronic potting silicone
Electronic potting liquid silicone is mainly used for the potting of electronic products. The use of electronic potting liquid silicone can seal, waterproof, dustproof, thermally conduct, shockproof and insulate electronic products. In addition, one is a potting compound for LEDs, which has the characteristics of high transparency and high refractive index.

4. High temperature silica gel
Ordinary high-temperature mold silicone used to make silicone molds can withstand high temperatures between 200 and 300 degrees Celsius, while high-temperature liquid silicone used in aviation and bronzing industries can work for a long time at 400 to 1300 degrees Celsius after curing. A change in performance occurs.

5. Human body silicone
Human body silica gel is a liquid silica gel with low curing hardness, which is environmentally friendly, non-toxic, and has no adverse effects on human body. It can also be used to simulate characters, etc.