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        Home » Products » Silicone Sealant Construction Adhesives » Boss 389 Weather Sealant for Aluminum Panels

        Boss 389 Weather Sealant for Aluminum Panels

        Boss 389 Weather Sealant for Aluminum Panels
        Boss 389 Weather Sealant for Aluminum Panels
        Product Code : Boss 389
        Brand Name : BOSS
        Product Description

        Boss 389 Weather Sealant for Aluminum Panels


        BOSS ® 389 Weather Seal Silicone Sealant is an one part neutral cure, medium modulus, low odor, construction grade sealant that offers excellent adhesion, weather ability and compatibility with wide variety of materials. BOSS  389 is ideally suited for weather proofing, waterproofing, sealing, expansion and control joints and general purpose glazing.

        BOSS ® 389 has excellent adhesion to glass, glazed surfaces, galvanized steel, anodized aluminum, concrete, cement, wood, ceramics, painted surface and many plastics.

        Boss 389 Weather Sealant for Aluminum Panels fully meets or exceeds the requirements of the following specifications:

        • ASTM C920-86
        • TT-S-001543A and
        • TT-S-00230C.
        FEATURES:
        • One Part , no mixing required
        • Easy to apply
        • Excellent adhesion to most common building materials
        • Low Odor
        • Non-Corrosive to metal
        • Permanently Flexible
        • Weather proofs / Waterproofs
        • UV resistant

        TYPICAL PROPERTIES

        Uncured

        Specific Gravity

        1.40

        Colors

        Black, Grey and White

        Sag/Slump

        NIL

        Tack-Free Time

        > 90min

        Cure Time at 75°F (24°C) and 50% RH (3/8 ‚ thickness)

        24 hours

        Full Cure time

        7- 10 days

        Tooling time

        25-30 min

        Extrusion Rate

        275 g/min

        Cured @ Physical

        Elongation

        375%

        Duro meter Hardness, Shore A, points

        25

        Tensile Strength, psi

        195

        Dynamic Movement Capability Cycled at 1/8‚¢ hr.,1/8min.%

        ± 30


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