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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