Dowsil 832 - Neutral Cure Silicone Sealant for Industrial & Electronic Use
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Dowsil 832 is a single-component, alkoxy-neutral cure silicone sealant that cures at room temperature upon exposure to atmospheric moisture. It forms a flexible, durable rubber seal that is non-corrosive to sensitive metals (like copper and brass), making it ideal for electronic and industrial applications. It provides excellent resistance to weathering, UV light, ozone, and extreme temperatures, while maintaining strong adhesion to a wide range of substrates.
Products parameters
Type: One-part neutral (alkoxy) cure RTV silicone sealant
Appearance: White / Gray paste
Tack-Free Time: 10–20 minutes @25°C, 50% RH
Shore A Hardness: 30
Tensile Strength: 1.8 MPa
- Elongation: ≥450%
Continuous Use Temperature: -55°C to 180°C
Dielectric Strength: ≥20 kV/mm
Volume Resistivity: ≥1 × 10¹⁴ Ω·cm
Package: 330ml
Key features
• Neutral cure system, non-corrosive to copper, brass, and other sensitive metals
• Excellent adhesion to glass, metals, plastics, and ceramics
• Outstanding weather, UV, and ozone resistance for long-term durability
• High flexibility and elongation to absorb thermal expansion/contraction
• Good electrical insulation properties for electronic applications
• Odorless, low-volatility formula with no acetic acid release
• Electronic component bonding and PCB sealing
• Industrial equipment and enclosure sealing
• Metal and glass assembly in consumer appliances
• Outdoor and HVAC system sealing
• Automotive lighting and component bonding