RT-7500 is a high-performance, two-part silicone sealant designed for the secondary seal of insulating glass units. Its neutral-curing chemistry delivers strong, durable bonding and long-term flexibility, even under severe environmental exposure.
Technical Advantages
Neutral Cure Formulation - Ensures non-corrosive performance on metals and coated surfaces
Excellent Adhesion - Strong bond to glass, aluminum, and IGU spacers
Weather Durability - Withstands prolonged UV radiation, high humidity, and thermal cycling
Flexible Performance - Accommodates movement without cracking or degradation
Wide Service Temperature - Stable between -50°C to +150°C
Standards-Compliant - Meets I SR-20HM / JC/T 486-2001 requirements
Recommended Applications
Secondary sealant in double-sealed insulating glass production
Curtain wall and structural glazing systems
Commercial windows, skylights, and facade units
IGUs installed in extreme or variable climates






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