Aromatic oil is a rubber filler can improve the processing performance, to adjust the physical and mechanical properties of rubber products. The product has good compatibility with rubber, can increase the degree of crosslinking of rubber, operational safety, and physical properties of rubber products and stable production process conditions, can be used for rubber products, softeners or plasticizers. The product as a rubber processing oil, can improve the plasticity of the rubber. Reduce the viscosity of rubber compound. Increase the viscosity of rubber compounds. Aid mixing and to improve dispersibility, improved vulcanizates elongation, resilience. Anti-aging process performance. For the production of tires and rubber parts, is excellent radial tire production processing aids.