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Talking about the basic process flow of rubber seals_Rubber seals_Rubber seal manufacturers

by:ORK      2022-11-24
Talking about the basic process of rubber seals With the rapid development of modern industry, especially the chemical industry, there are many kinds of rubber seals, but the production process is basically the same. Products made of general solid rubber (raw rubber) as raw materials, its production process mainly includes: raw material preparation → plasticization → mixing → molding → vulcanization → rest → inspection raw rubber is elastic and lacks the necessary properties (plasticity) during processing. ), so it is not easy to process. In order to improve its plasticity, it is necessary to masticate the raw rubber; in this way, the compounding agent is easily dispersed in the raw rubber during mixing; at the same time, it also helps to improve the permeability of the rubber during the calendering and molding process (penetration fiber fabrics) and molding fluidity. The process of degrading the long-chain molecules of raw rubber to form plasticity is called mastication. There are two methods of plasticizing raw rubber: mechanical plasticizing and thermal plasticizing. Mechanical mastication is to degrade long-chain rubber molecules and shorten them from a high elastic state to a plastic state through the mechanical extrusion and friction of the plasticizer at a low temperature. Hot plasticizing is to introduce hot compressed air into the raw rubber seals, under the action of heat and oxygen, the long-chain molecules are degraded and shortened, thereby obtaining plasticity. More information on rubber seals
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