25HM/35HM/50HM One Component Curtain Wall Silicone Sealant Starts Here!
TNS-721 is a high modulus, one-component neutral curing silicone sealant specially developed for curtain wall and façade joint sealing. Curing at room temperature by reacting with moisture in the air, it forms a durable elastic seal with strong adhesion, high mechanical strength, and excellent movement accommodation capability.
Features & Benefits
- Excellent adhesion to most construction materials without the need for primer, ensuring reliable bonding performance.
- Good extensibility and outstanding watertight sealing performance.
- Cures into a durable elastic body with excellent resistance to high and low temperatures.
- Non-corrosive to substrates and compatible with a wide range of building materials.
- Outstanding resistance to air aging, UV radiation, and ozone, suitable for long-term outdoor exposure.
- Environmentally friendly and non-polluting, meeting modern construction requirements.
- Good compatibility with related curtain wall and façade systems.
Application Areas
- Mainly applied in the field of project weatherproof adhesion and sealing, such as glass curtain wall, stonecurtain wall like marble, granite, aluminum panel curtain wall as well as metal structure project.
- Suitable for edge seal and joint seal, as well as seal for all kinds of architect and industry.
- Bonding and sealing in high-rise buildings and industrial applications.
Technical Data Table
| Model | TNS-721 | TNS-721 | TNS-721 |
|---|---|---|---|
| Class | 25HM | 35HM | 50HM |
| Slump| Vertical/mm | 0 | 0 | 0 |
| Slump| Horizontal | No deformation | No deformation | No deformation |
| Extrusion rate( ml/min) | 825 | 645 | 553 |
| Density g/cm³ | 1.48 | 1.45 | 1.41 |
| Consistency | 8.6 | 8.4 | 8.5 |
| Tack-free time/h | 20-30min | 20-30min | 20-30min |
| Tensile modulus with elongation of 25% at 23 ℃/Mpa | 0.7 | 0.64 | 1.0 |
| Tensile properties at maintaine extension | No failure | No failure | No failure |
Packaging & Color Options
Factory-Direct Silicone Sealant for Curtain Wall — Ready for OEM, Bulk Supply & Branding
Packing & Quantity:
- 600ml sausages, 20 pcs/carton
- 280ml/300ml cartridges, 24 pcs/carton
OEM & Custom Options
- Colors: White, Black, Grey, etc.
- Full RAL color matching available.
- Custom branding on cartridges, sausages, and cartons.
- Multi-language labels and export-ready packaging.
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
- It is stored in a cool and dry place below 27℃ for 12 months from the date of manufacture.
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