TremGlaze S900 | Fast-Curing Reactive Silicone for Back Bedding
TremGlaze S900 is a high-performance, two-part reactive silicone sealant formulated for automated back bedding of window and door systems. This 100% neutral-curing silicone delivers fast curing, tenacious adhesion, and excellent green strength, making it ideal for in-plant fabrication and high-speed production environments. Its stability helps reduce sash distortion and smearing, enabling smooth and efficient unit handling.
Product Description
Designed to meet the demands of large-scale window and door manufacturing, TremGlaze S900 offers fast green strength in just 5 to 6 minutes and cures substantially within 24 hours. It improves product handling and fabrication efficiency while delivering consistent, reliable sealing for a wide range of substrates. The simple 1:1 mix ratio allows for compatibility with dispensing equipment, streamlining the production process and improving throughput.
Key Benefits
- Quick green strength supports productivity and fast unit transfer
- 1:1 mix ratio ensures simple integration into existing equipment
- Reduces sash distortion and smearing in high-speed lines
- Fast cure profile — green strength in 5–6 minutes, full cure in 24 hours
- Stable and high-performing in automated fabrication environments
Common Applications
- Window and door manufacturing
- In-plant back bedding applications
Storage & Packaging
Supplied in dual cartridges or pails for use with metered dispensing systems. Store indoors in a cool, dry place for best performance.
Product Properties
| Property | Value |
|---|---|
| ASTM C661: Shore A Hardness | 20–30 |
| ASTM D412: Maximum Elongation | 200–300% |
Also explore Vulkem 445SSL for horizontal expansion joint sealing. Visit Tremco for a full portfolio of building sealants.




