What are the advantages and disadvantages of silicone molding process?

The processes commonly used to produce silicone rubber products include molding and extrusion processes. Among them, molding is applicable to a wider range of product types and has advantages that other processes do not have, but also has its own shortcomings.

Molded silicone rubber products are usually molded by applying pressure through the vulcanizing machine after the solid silicone rubber raw material added with vulcanizing agent is put into the high-temperature mold, and then vulcanized into a solid form at high temperature. The hardness of the molded silicone rubber is usually 30 ° C-70 ° C. The color of the raw material and the color glue are mixed according to the Pantone color number. The shape of the mold determines the shape of the molded silicone products. The molded silicone products are the most widely used in the silicone industry at present. It is commonly used to make silicone industrial accessories, sealing rings, bracelets, kitchenware, mats, ice cubes, ice hockey, cake molds, silicone sundries, etc.

1、 Advantages of silicone molding:

1. It can be made into any shape.

2. High precision, regular and beautiful commodity shape.

3. The color is bright and can be mixed at will.

4. The equipment is simple in operation, low in cost and quick in effect.

5. The product is not easy to deform during molding and has good dimensional stability.

6. Large flat products can be pressed.

7. Raw materials can be saved.

8. Molding can recycle many plastics, especially silicone rubber.

2、 Disadvantages of silicone molding:

1. The length and width of the general machine can only be 500 * 500mm, and the customized machine can be 650 * 650mm.

2. There are many rough edges in the production process.

3. The mold cost is relatively high, and the development cycle is 7-25 working days.

4. Long production cycle.

5. It needs to be operated by employees, and the labor force is large.