The condensed two-component liquid silicone rubber consists of a base rubber, filler, and crosslinking agent as one component, and a catalyst as another component. The two components are mixed in a certain proportion, and vulcanization can be carried out simultaneously inside and on the surface. Crosslinking agents are usually ethyl orthosilicate, methyl triethoxysilane, and catalysts are often organotin compounds. The vulcanization speed is related to the type, dosage, and environmental temperature of crosslinking agents and catalysts. With the vulcanization machine and its dosage unchanged, increasing temperature and environmental humidity can accelerate the vulcanization speed and shorten the vulcanization time. According to the type of crosslinking agent, it can be divided into dealcohol condensation, oxime condensation, dehydration condensation, and dehydrogenation condensation.

Its applications are mainly divided into four categories:
1. Electrical and electronic equipment casting packaging, insulation sealing
2. Reproduction of cultural relics and handicrafts, models for surface embossing on artificial leather, dental impressions
3. Foam for flame retardant, heat insulation and buffer
4. Sealing agent for caulking

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