First, according to the system of law and use classification:
1, the general type: sulfur modulation, non-sulfur type;
2, Special type: adhesive type, special use;
3, Neoprene latex: general latex, special latex.
Second, according to its performance and use can be divided into:
1, sulfur regulation type (g type): This type of rubber is sulfur as its relative molecular weight regulator, autumn lamb as a stabilizer. Because the structure is more regular, can be used for general rubber products, belong to the general type.
2, non-sulfur regulation type (W): This type of rubber in the polymerization, with 12 carbon mercaptan as the relative molecular weight of the regulator, it is also known as mercaptan-regulated neoprene. Because the molecular main chain does not contain multiple sulfur chains, the storage stability is good. Compared with the 0 type, its advantage is not easy to burn in the process, not easy to stick roll, the operation of good workmanship, vulcanized rubber has good heat resistance and lower compression deformation. However, the crystallinity of this type of rubber is large, the self viscosity is poor when forming, and the vulcanization speed is slow.
3. Adhesive type: This type of rubber is widely used as adhesive.
4, other special-purpose type: This type refers to the special use of oil, cold or other special uses of neoprene (such as chlorobenzene rubber, chlorinated rubber, etc.).
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