Description

Glass & Metal Silicone Sealant AS-208 is a one-component, neutral cure silicone sealant formulated to give superior adhesion and durability in a wide range of glazing, weather sealing, and trade applications. It has excellent resistance to weathering, UV radiation, vibration, moisture, ozone, temperature extremes, airborne pollutants, and many cleaning detergents and solvents.

Features

• Neutral curing system
• Low VOC compliant
• ±25 % Movement capability
• Excellent adhesion
• Permanently flexible
• Excellent weather resistance
• Indoor and outdoor use

Applications

Glass and Metal Silicone Sealant As-208 has a wide range of glazing, weather sealing, and other applications. Including sealing metal lap joints in roofing, guttering, and cladding applications. It can bond to the most common building materials (aluminum, galvanized steel, painted surfaces, glass, concrete, etc.).

Approvals / Specifications

AS-208 neutral cure silicone sealant meets the requirements of the following specifications:

• ASTM C920, Type S, Grade NS, Class 25, Use NT, A & G
• Low VOC – USEPA Method 24 under SCAQMD rule 1168

Usage Instructions

1. Surfaces must be clean, dry and free of dirt, grease, oil or water.
2. Surfaces should be cleaned with alcohol, M.E.K. or other suitable solvent. Do not use soap or detergent.
3. For a neat finish, apply masking tape and remove it before the sealant skins over.
4. Cut nozzle at 45° angle to desired bead-width and apply to substrate with cartridge gun.
5. Tool the sealant within 10 minutes of extrusion before it skins. Tack-free in 20 minutes.
6. Uncured sealant can be cleaned up with mineral spirits.

Learn more at the official products website www.alseal.com.au