ShinEtsu KE-3475T - High Strength Silicone Rubber for Industrial Molding
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KE-3475T is a two-component RTV silicone rubber designed to cure into a durable elastomer with strong mechanical integrity and flexible structure. The material forms a stable rubber body after curing, allowing finished parts to maintain reliable structural performance under continuous mechanical load and environmental stress. Once cured, the silicone elastomer provides a stable balance of strength and elasticity, helping molded components retain their shape and performance over time. The cured material also maintains stable physical properties under heat exposure and repeated mechanical movement, enabling long-term durability in demanding production environments where structural consistency and operational reliability are required.
Products parameters
| Composition: | Silicone Rubber |
| Appearance: | Viscous Liquid |
| Viscosity (25 °C): | ~14,000 mm²/s |
| Specific Gravity (25 °C): | ~1.14 |
| Refractive Index (25 °C): | ~1.410 |
| Packaging: | 100g, 330ml |
Key features
High tensile strength - KE-3475T High Strength Silicone Rubber forms a durable silicone elastomer with strong mechanical integrity after curing, enabling the material to withstand significant tensile stress during operation. The cured silicone rubber typically demonstrates tensile strength values exceeding 6.0–7.0 MPa, allowing molded components to maintain structural reliability under repeated mechanical loading. This high tensile capability ensures that finished parts retain dimensional stability and mechanical performance during long-term use.
Flexibility - The elastomeric structure of KE-3475T allows the cured silicone rubber to maintain excellent flexibility while resisting fatigue during repeated deformation cycles. The cured material commonly exhibits elongation at break levels of 300–450 percent, allowing components to maintain elasticity under continuous mechanical movement. This flexibility supports reliable operation in environments where parts are exposed to vibration, compression, or repeated bending stress.
Chemical resistance - KE-3475T demonstrates strong resistance to industrial chemicals, allowing the cured silicone rubber to remain stable in environments containing solvents, oils, and process fluids. The silicone structure maintains chemical stability in contact with common industrial solvents and oils at concentrations above 10 percent, enabling consistent mechanical performance. This resistance helps protect molded components from chemical degradation during long-term exposure.
Thermal stability - The cured elastomer maintains stable mechanical performance under elevated temperature conditions encountered in industrial environments. KE-3475T can retain its structural integrity within continuous operating temperatures of −50°C to 200°C, allowing components to maintain flexibility and strength during thermal cycling. This thermal resistance supports reliable performance in equipment exposed to sustained heat or fluctuating temperature conditions.
Long service life - The silicone rubber produced from KE-3475T maintains stable physical properties during prolonged service in demanding environments. The elastomer can retain over 85 percent of its mechanical performance after 1,000 hours of thermal aging, helping components maintain long-term operational reliability. This durability ensures that molded parts maintain consistent function even under extended mechanical and environmental stress.
Electronics Industry - KE-3475T can be used for silicone molding and sealing of electronic components that require reliable structural protection. The two-component silicone mixture is dispensed into molds or cavities where it cures into a flexible elastomer around sensitive parts. After curing, the elastomer helps protect components from mechanical stress while maintaining dimensional stability during equipment operation.
Automotive Industry - KE-3475T can be applied in the production of molded silicone parts used in automotive systems that operate under mechanical load and elevated temperature conditions. The material is mixed and injected into molds where it cures into a durable elastomer suitable for structural components. Once cured, the silicone rubber helps maintain component reliability during vibration and temperature fluctuations encountered in vehicle systems.
Industrial Equipment Industry - KE-3475T High Strength Silicone Rubber is suitable for manufacturing silicone components used in industrial equipment where mechanical durability and flexible sealing performance are required. The material can be cast or molded into specific shapes and cured to form resilient elastomeric parts. After curing, the silicone components maintain stable mechanical performance under repeated operational stress.
Construction Industry - KE-3475T can be used for producing silicone elastomer components applied in construction systems requiring flexible sealing or structural rubber elements. The material is mixed and applied into molds or cavities where it cures into a durable rubber structure. The cured elastomer maintains stable elasticity and structural performance when exposed to environmental stress.
General Manufacturing Industry - KE-3475T can be applied across general manufacturing processes requiring molded silicone elastomer components with reliable mechanical strength. The two-component silicone mixture can be processed through casting or molding methods before curing. After curing, the elastomer provides stable mechanical support and flexibility suitable for a wide range of industrial products.