Two-component Silicone Structural Adhesive
Two-component silicone structural sealant is a high-performance sealant formulated from high-quality silicone polymer and curing agents. It is specially designed for structural bonding in glass curtain wall systems. The A-component (base material) and B-component (curing agent) are mixed in a specified ratio and undergo a chemical curing reaction at room temperature to form a flexible, durable, and highly adhesive elastomer. It exhibits excellent weather resistance, UV resistance, and stability, ensuring long-term performance in demanding architectural applications.
Main Features
High Strength & Adhesion
Excellent bonding to glass, aluminum, and most curtain wall substrates, ensuring reliable structural performance.
Outstanding Weather Resistance
Maintains stability under prolonged exposure to UV, ozone, rain, and snow.
Excellent Elasticity
Retains elasticity and adhesion even under extreme temperature changes and building movements.
Neutral Curing, Non-Corrosive
Will not corrode metal, glass, or coated surfaces.
Low Shrinkage
Ensures precise joint filling and dimensional stability.
High Durability
Service life can exceed 25 years in normal environmental conditions.
Typical Applications
- Structural bonding of glass curtain wall panels.
- Secondary sealing in insulating glass units.
- Bonding and sealing of glass to metal or glass to glass.
- High-rise and large-span architectural glazing systems.
Packaging
Component A: 200L drum (net 250kg) or 20L pail (net 25kg)
Component B: 20L pail (net 20kg) or cartridge as required
Storage & Shelf Life
Store in a cool, dry, ventilated place away from direct sunlight.
Shelf life: A-component: 9 months, B-component: 12 months from the date of production.
Precautions
- Ensure proper mixing of A and B components using designated equipment before application.
- Construction should be carried out under ambient temperature of 5°C–40°C and relative humidity of 40%–80%.ace of bonding substrates should be clean, dry, and free from grease, dust, and contaminants.
- Avoid contact with acidic or alkaline materials during curing.
- Not suitable for continuous immersion in water or for surfaces requiring paint.
Product Details:
FAQ
Q: How to ensure the correct mixing ratio?
A: A professional two-component dispensing machine must be used to ensure Part A and Part B are mixed according to the manufacturer's specified ratio (usually 10:1), otherwise curing performance and adhesion strength may be affected.
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