Rubber chemicals are specialized additives used in the processing, compounding, vulcanization, and long-term performance enhancement of both natural and synthetic rubber. These chemicals play a vital role in modifying the chemical, physical, and mechanical properties of rubber compounds to meet diverse application demands — from tyres and hoses to seals, belts, footwear, and industrial goods.
At Lanka rubber merchants, we supply a complete range of rubber chemicals, including peptizers, antioxidants, accelerators, vulcanizing agents, fillers, softeners, activators, and more. Our portfolio includes both standard and custom-formulated additives tailored to optimize processing efficiency, product durability, and environmental compliance.
Peptizers are used to break down or “soften” natural rubber during mastication. This improves plasticity, reduces mixing time, and enhances compound
homogeneity. Antioxidants protect rubber compounds from degradation caused by oxygen, ozone, heat, and UV exposure. They are crucial for improving product life and performance in harsh environments. Accelerators are compounds that speed up the vulcanization process, allowing rubber to cure faster and under milder conditions. They reduce cycle time, improve crosslinking efficiency, and modify final rubber properties. These chemicals enable the cross-linking of rubber molecules during vulcanization. The most common system is sulfur-based vulcanization, often assisted by accelerators and activators. Activators enhance the efficiency of vulcanizing agents and accelerators. They are essential to achieving optimal cure speed and crosslink density. Fillers are added to rubber to improve strength, adjust hardness, reduce cost, and modify other physical properties.
