RT-7500 is a two-part, neutral-curing silicone sealant specifically formulated for use as a secondary seal in insulating glass units (IGUs). It provides outstanding mechanical strength, superior weathering resistance, and long-term flexibility, making it the ideal choice for high-performance glazing systems.
Product Advantages
Neutral Cure System - Non-corrosive to metals and compatible with most IGU components
Outstanding Durability - Maintains sealing performance under UV exposure, rain, humidity, and thermal stress
High Adhesion Strength - Excellent bonding to glass, aluminum spacers, and other standard IGU substrates
Thermal Stability - Remains effective within a wide temperature range (-50°C to +150°C)
Compliance - Meets or exceeds the requirements of JC/T 486-2001 and ISR-20HM standards
Recommended Applications
Secondary sealing for dual-seal insulating glass systems
Structural glazing and curtain wall facades
Suitable for use in commercial buildings, high-rise constructions, and climate-exposed environments






FAQ
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