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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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