HomeProducts RTV-1 Silicone Rubber Adhesive and Sealant Loctite SI 5091 - UV Moisture Cure Silicone Adhesive for Glass Bonding, Consumer Electronics And Automotive Lamp Industry
Loctite SI 5091 - UV Moisture Cure Silicone Adhesive for Glass Bonding, Consumer Electronics And Automotive Lamp Industry

Loctite SI 5091 - UV Moisture Cure Silicone Adhesive for Glass Bonding, Consumer Electronics And Automotive Lamp Industry

Loctite SI 5091 is a UV/moisture dual-cure silicone adhesive for transparent, flexible bonding, sealing and potting of glass, metal, ceramic and most plastics.
PRODUCTS DESCRIPTION

A single-part, low-VOC silicone that cures in seconds under UV light and via ambient moisture in shadowed areas. It forms a tough, highly flexible elastomer with excellent shock/vibration resistance and broad-temperature performance. Ideal for automotive, electronic and industrial applications requiring clear, durable seals

Products parameters

  • Type: UV & moisture dual cure silicone

  • Cure System: UV fast cure + shadow area moisture cure

  • Appearance: Clear

  • Flexibility: High elongation elastic performance

  • Temp Range: -40℃ ~ 150℃

  • Key Property: Glass bonding, electronic waterproof sealing

  • Package: 300ml


Key features

  • Dual UV/Moisture Cure – Fast UV cure (seconds); moisture cures shadowed areas.

  • Clear & Flexible – Transparent, high-elongation silicone absorbs shock/vibration.

  • Multi-Substrate Adhesion – Bonds glass, metal, ceramic, most plastics without primer.

  • Single-Part, Easy Use – No mixing; low VOC

  • Broad Temp Resistance – Maintains flexibility across wide operating temperatures.


Application

Automotive Assembly – Clear bonding/sealing of lamps, sensors and interior components.

Electronic Potting & Coating – Protection of PCBs, connectors and sensitive circuits.

Glass & Metal Bonding – Structural yet flexible bonds for architectural and display glass.

Industrial Sealing – Seals enclosures, housings and joints against dust/moisture.

Consumer Electronics – Waterproof sealing for wearables, displays and touchscreens.


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