The Soudal Silirub 989 is a high-performance silicone sealant engineered for demanding structural glazing and bonding applications. With its superior strength, flexibility, and durability, Silirub 989 is a trusted solution for professionals in the construction and industrial sectors.

Applications

• Structural glazing of glass to metal or other substrates in curtain walling and façade systems.
• Sealing and bonding applications in high-performance construction projects.
• Weatherproofing joints in exterior building envelopes.
• Applications requiring superior durability and resistance to environmental factors.

Why Choose Soudal Silirub 989?

• Trusted by architects, engineers, and construction professionals worldwide.
• Meets the highest standards for safety and performance in structural applications.
• Backed by Soudal's legacy of innovation and quality.

Technical Specifications

• Base: Neutral silicone
• Skin Formation Time: Approximately 10-15 minutes (at 23°C and 50% RH)
• Curing Time: 2-3 mm per 24 hours, depending on joint depth
• Temperature Resistance: -40°C to +150°C once fully cured
• Shelf Life: 12 months when stored in a cool, dry place in unopened packaging

How to Use

1. Clean and prepare the surface, ensuring it is free of dust, grease, and loose particles.
2. Apply the sealant using a caulking gun for precise application.
3. Smooth the bead with a suitable tool to ensure even distribution and a clean finish.
4. Allow the sealant to cure fully before exposing it to stress or load.