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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
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                          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