Highly effective silane coupling agent for enhancing rubber-to-metal adhesion in sulfur-cured elastomers.
Tetrasulfide bridge provides superior dynamic fatigue resistance and improved tensile strength in reinforced rubber compounds.
Triethoxysilyl groups ensure rapid hydrolysis and strong covalent bonding with silica, glass, and metal oxide surfaces.
Low volatility and excellent storage stability under ambient, dry conditions.
Compatible with conventional rubber processing equipment and widely used in high-volume tire manufacturing.
Tire tread and sidewall compounds requiring enhanced silica dispersion and reduced rolling resistance.
Steel-belted radial tires where robust rubber-to-steel cord adhesion is critical for durability and safety.
Industrial rubber products including conveyor belts, hoses, and vibration-damping mounts.
Silica-reinforced EPDM and natural rubber formulations for automotive weatherstripping and seals.
| Chemical Type | Bis(triethoxysilylpropyl)tetrasulfide |
| Product Form | Liquid |
| Appearance | Pale yellow to light amber clear liquid |
| Density (25°C) | 1.17–1.19 g/cm³ |
| Refractive Index (25°C) | 1.490–1.495 |
| Flash Point (COC) | ≥ 130°C |
| Solubility | Miscible with common organic solvents (e.g., toluene, xylene, alcohols); hydrolyzes in presence of moisture |
| Storage Conditions | Store in tightly sealed containers under dry, inert atmosphere at 5–30°C |
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