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What are the six major processes for the production of silicone products?
As we all know, the production process of silicone products from the open mold - gelatin - gum cutting - oil pressure molding - remove the edge - two times vulcanization to package delivery. What are the production processes of silicone products? Silicone products have been used in more and more fields in recent years. It is precisely because silica gel is nontoxic, tasteless and high temperature resistant, which determines the field of his use. The production process of different silica gel products is also different.
Take a look at the six major production processes of silica gel products. Mold pressing, this manufacturing process is the most common. The shape of the silicone product is determined by the mold matching, and the shape of the silicone product is determined by the shape of the mold. Molded silicone products is usually the mold temperature in solid silicone raw materials adding curing agent after vulcanization machine pressure, high temperature sulfur into solid molding.
Ejection (injection), this process is high in quality requirements, is the combination of liquid silica gel and plastic. Its products are characterized by good thermal stability, cold resistance, excellent electrical insulation, and no toxic substances in combustion. Therefore, it is an irreplaceable material in the production design of health products, cars, baby products, medical supplies, diving products, kitchen utensils and seals.
Extrusion molding, extrusion silicone products are usually extruded by machine extrusion silicone molding, generally extruded silica gel shape is long, tube like can be cut at random, extrusion technology products form is single, mostly strip. Silicone tube is widely used in the field of medical and mechanical equipment. It can also be used for caching in the package.
Calendering, silicon rubber is mixed with white carbon black, silicone oil and so on, and then mixed to make the compound, then it is pressed out of the sheet. There is a significant difference between the longitudinal and transverse physical and mechanical properties of the film produced by the calendering, which is a calendering effect. The specific performance of the film, the longitudinal tensile strength is greater than the transverse, longitudinal transverse elongation larger than the film, the film is larger than the transverse longitudinal shrinkage rate.
The operation method of filling or perfusion modes: filling or perfusion model, is used to smooth or simple products, no mold line is labor-saving and time-saving, will you want to copy the product or model, surrounded by plastic or glass plate, the pumping vacuum silicone directly into the products above, the silica gel drying after molding and take out the product and mold molding.
Fast curing coating; adhesion; good fluidity, easy deaeration. The use of platinum complex catalyst, non-toxic, no smell; strong adhesive rubber. High resistance to tear strength, high transparency, and good tensile properties. The silicone products are wear-resistant, washable and high temperature resistant, with high three-dimensional level, smooth fabric, soft and flexible texture, good elasticity.
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