| Customization: | Available |
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| Adhesion Strength: | High Strength |
| Bonding Material: | Aluminum |
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RT-8500 is a high-performance, one-part, neutral-cure silicone sealant specifically formulated for structural glazing and facade sealing. It provides strong adhesion to glass, metal, and other typical facade materials while maintaining long-term flexibility and resistance to harsh weather conditions.
Features
Strong Structural Bonding - Secure adhesion for glass and metal in curtain wall systems
Neutral Curing - Non-corrosive and safe for sensitive substrates
Weather & UV Resistant - Long-term durability under sun, rain, wind, and temperature extremes
Excellent Flexibility - Accommodates dynamic building movements without cracking or loss of adhesion
Easy Application - One-component, ready-to-use formulation
Application Areas
Structural glazing in commercial facades
Curtain walls and frame-free glass installations
Glass-to-metal bonding in skylights, canopies, and architectural panels
Exterior structural joints exposed to weather and movement
| ITEM | SPECIFICATION | TEST RESULT | ||
| 1 | Appearance | Smooth, cream or heavy body, no bubble, no skinning, no gel. |
Smooth, cream or heavy body, no bubble, no skinning, no gel. |
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| 2 | Droop, mm | Vertical | ≤3 | 0 |
| Horizon | No deformation | No deformation | ||
| 3 | Extrusion Property | ≤10 | 2.0 | |
| 4 | Tack Free Time, h | ≤3 | 0.7 | |
| 5 | Hardness, Shore A | 20~60 | 57 | |
| 6 | Thermal Aging | Thermal Weightlessness, % |
≤10 | 6.9 |
| Cracks | No | No | ||
| Chalking | No | No | ||
| 7 | Tensile Viscosity 23ºC |
Modulus, MPa | ≥0.60 | 1.35 |
1.What is your delivery time?
Our delivery time is 20 to 25 days for OEM order
2.Can you provide OEM service?
Of course we can do OEM services for customers brand
3.Can you make a new design for our brand?
Yes, our designers will make new designs as your requirements
4.Can I get some sample before order?
Yes free samples could be sent on your request
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