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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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