Raw Materials Of Silicone Rubber

silicone rubber is more and more popular because of its environmental performance. Now more and more other material products on the market are replaced by silicone rubber products. To understand the knowledge of silicone rubber products, we must start with silicone rubber raw materials.


1. According to the performance, it can be divided into ordinary silica gel and meteorological silicone rubber.

Common silicone rubber, also known as precipitated silicone rubber, color: translucent, miChinay white, light yellow, gray, etc. Hardness: 30 degrees, 40 degrees, 50 degrees, 60 degrees, 70 degrees, etc., commonly used between 40 degrees and 70 degrees. Density: 1.1-1.12g/cm2. Elongation: 400%, usage: the medium and low-grade silicone products such as mobile phone keys, miscellaneous parts, conductive adhesive, etc. are widely used.

Weather glue also known as pure silicone rubber, color: transparent. Hardness: 30 degrees, 40 degrees, 50 degrees, 60 degrees, 70 degrees, 80 degrees, etc. Density: 1.1-1.12g/cm2, elongation: 600% – 700%. Characteristics: due to its good transparency and strong tensile strength. High cost, use: silicone tube, protective cover and other high-end products that need high elasticity.

2. According to the physical properties, it can be divided into solid silicone rubber and liquid silicone rubber.

Solid silicone rubber is mainly used for molding products. For example: silicone cover, silicone tableware, silicone keys, etc., liquid silicone is mainly used for extrusion molding products, such as silicone nipple, silicone tube, etc.

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