Product Description
TREMPRO® JS-773+ is a non-skinning, non-drying synthetic butyl sealant designed for exceptional flexibility and adhesion on a wide variety of metal and construction materials. It is ideal for use in industrial and commercial panel systems and HVAC applications.
Key Benefits
- Superior Adhesion: Bonds to hot-dip galvanized steel, Galvalume®, Kynar® 500, stainless steel, PVDF, aluminum, and fiberglass.
- Lasting Performance: Permanently flexible non-drying formula ensures long-term performance without cracking.
- Easy Application: Applies easily using standard caulking equipment or pumps.
TREMPRO® JS-773+ Is Best For:
- Buttering or bedding non-porous components
- Caulking interior panel joints of PEMB panels
- Insulated metal panels
- HVAC ducts
- Panel-to-panel joints
Product Properties
| Property | Specification |
|---|---|
| Chemistry | Non-drying synthetic butyl |
| Skin Time @ 75°F & 50% RH | This will not skin |
| Tooling Time | Unlimited |




