RT-7500 is a two-component, neutral-curing silicone sealant specifically formulated for the secondary seal of insulating glass units (IGUs). It delivers exceptional durability, long-term flexibility, and strong resistance to environmental stress - making it the ideal choice for modern architecture and high-performance glazing solutions.
Core Advantages
1.Neutral-curing formula - non-corrosive, non-toxic
2.Excellent adhesion to glass, aluminum, and coated surfaces
3.Outstanding stability under extreme temperatures (-50°C to +150°C)
4.Strong resistance to UV, moisture, and weathering
5.Fully compliant with I SR-20HM-JC/T 486-2001 standards
Application Scenarios
1.Secondary seal in dual-sealed IGUs for curtain walls and windows
2.Perfect for buildings with energy-efficient or solar glass
3.Highly recommended for projects exposed to heat, humidity, and sun
4.With RT-7500, every seal is a promise - of protection, performance, and peace of mind.






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