What is the difference between rubber and plastic

The most essential difference between plastic and rubber is that they deform differently. Plastic undergoes plastic deformation while rubber undergoes elastic deformation. That is to say, plastic is not easy to return to its original state after deformation, while rubber is relatively easy. The elasticity of plastic is very small, generally less than 100%, while the elasticity of rubber can reach 1000% or more. The molding of plastic generally marks the completion of product manufacturing, but in addition to rubber molding, rubber products also need to be vulcanized.

Rubber and plastic are polymer materials, mainly composed of two elements, C and H. Some materials contain a small amount of oxygen, nitrogen, chlorine, silicon, fluorine, sulfur and other elements, and have special properties and applications. At room temperature, plastics are solid, very hard, and cannot be stretched or deformed. However, rubber has low hardness and good elasticity, and can be stretched and deformed, and it can return to its original state after stop stretching. This is because their molecular structures are different greatly. On the other hand, most plastics can be recycled and reused many times, but rubber cannot be recycled directly. It must be processed into recycled rubber before it can be used. The morphology of plastic at 100 ° C to 200 ° C is similar to that of rubber at 60 ° C to 100 ° C.

In a broad sense, rubber is actually a type of plastic.

In general, industrial double-sided rubber can be divided into two categories: acrylic rubber and rubber. These two categories can be divided into two types: base material and non-base material.