Weatherproof Silicone Caulk for Windows, Doors & Curtain Wall Joints
TNS-731 Weatherproof Silicone Sealant is a one-part, durable, neutral- cure, architectural grade sealant. with excellent adhesion for use on a wide variety of materials in new or renovated weatherproofing applications. It cures into an elastic rubber body by reacting with moisture in the air to form an effective seal. Excellent weather resistance.
Features & Benefits
- Provides strong adhesion to non-porous construction substrates, eliminating the need for primer on most materials such as glass, coated glass, and painted metal.
- Neutral curing formula ensures compatibility with a wide range of building materials, without causing corrosion or adverse reactions.
- Delivers outstanding resistance to UV exposure, weathering, and high temperatures, curing into a durable and elastic silicone rubber that remains unaffected by rain or snow.
- Offers high movement accommodation and long-lasting flexibility for reliable joint performance.
Application Areas
Premium performance weather sealing product for general glazing and weather sealing in curtain walls, windows & doors, and building facades
Primerless adhesion to a wide range of substrates and finishes, including:
- EIFS, glass, window/door frames, polycarbonate, vinyl
- Numerous plastics, treated & untreated wood
- Fluoropolymer & powder-coated paints
- Conversion-coated & anodized aluminum, brick, terra-cotta, ceramic, porcelain
- Concrete.
Some finishes or substrates may require a primer.
Technical Data Table
| Project | Technical Indicators |
|---|---|
| Appearance | Fine, even paste |
| Sag | 0mm |
| Shore Hardness | 43 |
| Tack Free Time | 24min |
| Full Dry time | 1.9mm/24h |
| Elongation at Break | 430% |
| Tensile Strength | |
| 1.8N/mm² | |
| Service Temperature | -50 to 150°C |
| Extrusion | 880ml/min |
| Density | 1.49g/cm³ |
| Modulus(100%) | 1.03N/mm² |
Packaging & Color Options
Factory-Direct Weatherproof Silicone Sealant and Caulk— Ready for OEM, Bulk Supply & Branding
Packing & Quantity:
600ml sausages, 20 pcs/carton
280ml/300ml cartridges, 24 pcs/carton
OEM & Custom Options
- Available in White, Black, Grey, and other standard colors.
- Full RAL color matching service offered.
- Custom branding available on cartridges, sausages, and cartons.
- Multi-language labels and export-ready packaging to meet international requirements.
Safety & Storage
- Keep contents out of reach of children. In case of contact with eyes, please rinse eyes with plenty of water and seek medical advice as soon as possible
- Store in a cool, dry, non-humid place to ensure long shelf life.
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