Sika Sikaflex-221 Non-Sag Polyurethane Sealant Black is a one component, moisture-curing polyurethane adhesive sealant that is used for creating a permanent elastic seal for substrates such as metals, wood, paint coatings, ceramics, and plastics. It is a non-corrosive, low odor, high quality sealant that is resistant to diluted acids, limewater, seawater, freshwater, weathering, and aging. Black 300 mL Cartridge.
Typical Use: | Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. |
Brand: | Sikaflex |
Chemical Composition: | Polyurethane |
Color: | Black |
Components: | 1 part |
Elongation: | 500% @ break |
Hardness: | 40 A |
Key Specifications: | ASTM C920 TT-S-00230C ISO 9001 / 14001 |
Service Temperature: | -40 to 90 °C |
Specific Gravity: | 1.27 |
Tack Free Time: | 60min |
Tensile Strength: | 260 psi |
Working Time: | 45min |