| Customization: | Available |
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| Adhesion Strength: | High Strength |
| Bonding Material: | Aluminum |
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RT-8500 is a premium-grade, single-component silicone sealant designed for structural bonding in curtain walls and architectural glazing. It cures with atmospheric moisture to form a flexible, high-strength seal that maintains long-term performance under demanding environmental conditions.
Features & Advantages
Structural Grade Adhesion - Designed for glass, aluminum, and steel
Neutral Cure Formula - Safe for coated and sensitive substrates
Excellent Weather Resistance - Resists UV, rain, wind, and temperature shifts
Permanently Flexible - Absorbs structural movement without cracking
Easy to Apply - No mixing required, smooth extrusion
Applications
Structural bonding of glass in curtain wall and façade systems
Frameless and point-supported glass installations
Metal-to-glass bonding in modern architectural projects
Overhead glazing, canopies, and skylights
Exterior applications requiring durable and aesthetic sealing
| 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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