Casilane

Polymer additives supplied by Thomas Swan

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Casilane HP-669

by Thomas Swan

Casilane HP-669 by Thomas Swan is a sulphur silane coupling agent. It acts as a chemical intermediate and crosslinking agent. It also acts as a vulcanizing agent and activator in the rubber industry due to the presence of four sulphur atoms in its structure. <br> <ul style="padding-left: 40px;"><li>It enhances performance by incorporating fillers like silica, fiberglass, talc, mica, and clay, boosting filler–rubber interaction to increase abrasion resistance and overall durability. </li> <li>It is suitable for use in NR, IR, SBR, BR, NBR, and EPDM rubber compounds. </li> <li>It features poly-sulphidic alkyl structures that align with sulphur deoxidation rates, resisting oxidative degradation while improving heat resistance and crack fatigue performance. </li> <li>It reduces puncture risk, rolling resistance, fuel consumption, and carbon-dioxide emissions, supporting carbon reduction efforts and ensuring environmental compliance. </li> <li>It acts as a reinforcing agent, enhancing filler performance and significantly improving rubber’s abrasion resistance. </li> <li>Casilane HP-669 boosts cut and pressure resistance while reducing hysteresis loss and moisture absorption, thereby enhancing mechanical strength, adhesion, thermal aging resistance, modulus, and flex life. </li> <li>It strengthens the bond between substrates and adhesives or coatings, resulting in products that are more durable, reliable, and long-lasting. </li> <li>It enhances mechanical properties like tensile strength, modulus, and elongation, making materials tougher, more flexible, and resilient. </li> <li>It improves chemical resistance, increasing stability, consistency, and product lifespan. </li> <li>It is used in the manufacturing of tires, hoses, rollers, belts, cables, footwear, and molded rubber parts. </li> <li>Recommended dosage is 1.0-4.0 PHR. </li> <li>It has a shelf life of over 2 years. </li></ul>