| Customization: | Available |
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| Adhesion Strength: | High Strength |
| Bonding Material: | Aluminum |
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Industry-leading Audited Factory
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RT-8500 is a premium, one-part, neutral-curing silicone sealant designed for structural glazing and façade bonding. It delivers high strength, excellent weather resistance, and lasting flexibility - making it a trusted choice for modern architectural applications.
Key Benefits
Structural Strength - Ideal for load-bearing glass and metal connections
Neutral-Cure System - Non-corrosive and compatible with sensitive materials
Durable Performance - Resists UV, rain, wind, and temperature extremes
Flexible & Reliable - Accommodates movement without losing adhesion
Ready to Use - No mixing needed, suitable for on-site or pre-fab use
Typical Uses
Structural glass curtain walls
Frameless and unitized façade systems
Glass-to-metal or glass-to-glass bonding
Skylights, canopies, and architectural glazing
Applications demanding long-term structural integrity
| 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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