Sulfur powder for rubber is a commonly used vulcanizing agent. There are two types of sulfur: rhombic and amorphous (or insoluble sulfur), the former is a cyclic structure with eight sulfur atoms, and the latter is actually a molecular polymer that is insoluble in most solvents and rubbers, and therefore is called insoluble sulfur
Applications of Sulfur Powder
Sulfur powder has a wide range of applications in industry. Our common items such as matches, adhesives, synthetic fibres, paper products, plastics, batteries, lotions, skin cream dyes, fungicides, etc. all owe their existence to sulfur powder. In recent years, with the advancement of ultra-micro grinding technology, micronised sulfur powder has a wider and higher-end application. For example, sulfur is added in the manufacture of tyres to harden the rubber and prevent it from melting at higher temperatures.
Insoluble sulfur is mainly used as a vulcanisation accelerator and agent in the rubber industry. It allows a more solid adhesion of the rubber, prevents the rubber from breaking apart and improves resistance to heat and tyre wear, and is therefore an essential raw material in tyre production.