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                              Home » Products » Silicone Sealant Construction Adhesives » BOSS 383 Weather Seal Silicone Sealant

                              BOSS 383 Weather Seal Silicone Sealant

                              BOSS 383 Weather Seal Silicone Sealant
                              BOSS 383 Weather Seal Silicone Sealant
                              Product Code : Boss 383
                              Brand Name : BOSS
                              Product Description

                              BOSS 383 Weather Seal Silicone Sealant

                              Eliminates the Use of Frame work for Mirror Fixing Weather Seal Silicone Sealant is an one part neutral cure, medium modulus, lowodor, 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 & control joints and general purpose glazing. It has excellent adhesion to glass, glazed surfaces, galvanized steel, anodized aluminum, concrete, cement, wood, ceramics, painted surface and many plastics.

                              BOSS 383 Weather Seal Silicone Sealant meets or exceeds the requirements of the following specifications:

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

                              TYPICAL PROPERTIES


                              Specific Gravity



                              Black, Grey and White



                              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



                              Durometer Hardness, Shore A, points


                              Tensile Strength, psi


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

                              ± 30

                              JAY AGENCIEZ

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