General Info
Physical Form
White fine powder
Chemical Name
Anhydrous aluminum silicate
Physical Properties
Product Description
RC-90 calcined kaolin is a surface-treated, ultra-fine material known for its excellent dispersion
stability, minimal screen residue, and unique microporous sheet structure. The fine particle size of
RC-90 allows it to blend smoothly with other compounds, ensuring consistent distribution and stability
in various applications. Its high specific surface area enhances its reactivity, making it a beneficial
additive across multiple industries. In particular, the structural properties of RC-90—characterized by
a reinforcing microporous sheet—improve the durability and strength of products, especially in
applications that require resilience under stress. This distinct structure allows RC-90 to interact
effectively with other materials, enhancing mechanical properties without compromising flexibility. By
adding this type of kaolin, manufacturers can optimize both the functionality and longevity of their
products.
One of RC-90 calcined kaolin's primary applications is in the rubber industry, where it serves as a
partial substitute for carbon black, which is typically more expensive. By replacing a portion of carbon
black with RC-90, rubber products benefit from reinforced strength and abrasion resistance, improving
both wear resistance and durability in high-stress applications such as tires, hoses, and belts.
Additionally, RC-90 contributes to improved thermal stability, enabling rubber to withstand temperature
fluctuations without degradation. The material's acid-alkaline resistance further enhances the rubber's
performance in challenging environments, making it suitable for industrial and automotive applications
where exposure to harsh chemicals is common. Notably, using RC-90 as a filler material provides a
substantial cost advantage: its relatively low price compared to carbon black helps reduce production
costs significantly without sacrificing performance. This balance between quality and cost-efficiency
makes RC-90 a valuable solution in industries focused on both performance and economical manufacturing
practices.