RT-7500 is a high-performance, two-component, neutral-cure silicone sealant specifically developed for use as the secondary seal in dual-sealed insulating glass units. It delivers excellent adhesion, long-term flexibility, and superior resistance to weathering and temperature extremes.
Key Features
Neutral-curing system - non-corrosive, low odor, and safe for sensitive substrates
Excellent weather resistance - performs reliably under UV, moisture, and extreme temperatures (-50°C to +150°C)
Durable and elastic - maintains seal integrity under joint movement and thermal cycling
Conforms to I SR-20HM-JC/T 486-2001 standard for insulating glass applications
Applications
Secondary sealant in insulating glass units (IGUs) for architectural and commercial use
Ideal for curtain wall systems, commercial glazing, and specialty glass installations
Suitable for demanding environments involving high heat, humidity, or harsh weather conditions






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