Sika Sikaflex-201 US Polyurethane Sealant Aluminum Gray is a one component, moisture-curing elastomeric sealant that is used for general purpose sealing of joints in tanks, windows, metal buildings, steel, wood, aluminum, and other substrates. It is non-sagging, flexible, durable, non-staining, and NSF certified for use with drinking water or food. It is resistant to dilute acids, limewater, freshwater, seawater, weathering, and aging. 300 mL Cartridge.
| Typical Use: | Sealing and caulking expansion joints, waterproofing rivet seams. | 
| Brand: | Sikaflex | 
| Chemical Composition: | 1-C polyurethane | 
| Color: | Gray | 
| Components: | 1 part | 
| Elongation: | 550% @ break | 
| Flash Point: | 61.6 °C | 
| Hardness: | 38 A | 
| Key Specifications: | ASTM C920 Type S, Grade NS, Class 25. TT-S-00230C, Type II, Class A. | 
| Service Temperature: | -40 to 90 °C | 
| Specific Gravity: | 1.19 | 
| Tack Free Time: | 3h | 
| Tensile Strength: | 175 psi |