RT-7500 is a two-component, neutral-curing silicone sealant developed for the secondary sealing of dual-sealed insulating glass units (IGUs). It provides high mechanical strength, long-term elasticity, and excellent environmental resistance, making it suitable for both structural and energy-efficient glazing systems.
Technical Features
- Neutral cure: non-corrosive, non-polluting, compatible with most substrates
- Excellent resistance to UV, high/low temperatures (-50°C to +150°C), and moisture
- Maintains stable performance under continuous weathering and aging
- Complies with I SR-20HM-JC/T 486-2001 standard
- High bonding strength with glass and aluminum spacers
Application Areas
- Secondary sealant in insulating glass production lines
- IGUs used in commercial curtain walls, high-rise buildings, and facade systems
- Suitable for Low-E, reflective, and coated glass types
- Projects requiring long-term airtightness and structural durability in varying 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