Why use the plasticity of raw rubber as the main quality standard for plasticizing rubber

 

The plasticity of raw rubber is related to the difficulty of the whole manufacturing process of products, and directly affects the physical and mechanical properties of vulcanized rubber and the important properties of product performance. If the plasticity of the raw rubber is too high, the physical and mechanical properties of the vulcanized rubber will be reduced. However, if the plasticity of raw rubber is too low, it will cause difficulties in the next process, making it difficult for the rubber material to be mixed evenly, calendered, and the surface of the semi-finished product is not smooth when it is pressed out. Difficult to rub into the fabric, causing peeling of the glued cord and greatly reducing the adhesion between the cloth layers. Uneven plasticity will result in inconsistent technological performance and physical and mechanical properties of the rubber, and even affect the inconsistent performance of the product. Therefore, correctly grasping the plasticity of raw rubber is a problem that cannot be ignored.