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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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