MarkChem PU Sealant 545
PU SEALANT 545 is a high performance, single component, moisture curing, polyurethane sealant ideally suited for a number of construction applications.
Specification Compiles
- ASTM C920, Type S, Grade NS, Class 25, Use NT,
- G, M, and A
- Contributes to LEED credit
- ASTM E162 Surface Flame Spread
- ASTM E662 Smoke Generation
- Faster curing than most competitive products
- Tack-free in 60 minutes per ASTM C679
- Joint movement capability ±25%
- No priming required for most applications
- Excellent weather resistance
- Non-staining
- No mixing required
- Low VOC 35.1 g/l
- Paintable after Tack-free.
- Low modulus/Low shore A hardness
- Vertical and horizontal expansion joints
- Concrete control joints
- Precast and tilt-up construction
- Masonry expansion joints
- Aluminium curtain walls and storefronts
- Doors and windows
- Submerged applications