Sikaflex®-221

One-component polyurethane
Sikaflex-221 is a high-quality, versatile, one-part, polyurethane-based sealant that does not sag and cures in moisture to form a durable elastomer.

Sikaflex®-221 is a high-quality, one-part, multi-purpose, non-sag polyurethane adhesive/sealant. It transforms into a durable elastomer under the action of atmospheric humidity. Sikaflex®-221
meets the requirements of ASTM C920 and TT-S-00230C and has been tested and meets the requirements of ANSI/UL 723 “Testing for Surface Burning Characteristics of Building Materials”. Sikaflex®-221 is manufactured in accordance with ISO 9001/14001 Quality Assurance System.

ADVANTAGES AND BENEFITS
- Single-component product;
- Elastic;
- Low odor;
- Resistant to aging and bad weather;
- Non-corrosive;
- Suitable for painting;
- Suitable for sanding;
- Adheres well to a wide range of substrates;
- Complies with the NSF standard for objects in contact with drinking water and food products (colors: black and white only);
- Resistant to stain and varnish.

TECHNICAL SPECIFICATIONS
Product no. SASIKA221B
Brand: Sika
Finish: Black
Product type: Polyurethane
Ideal use: Expansion joint, Exterior
Base: Polyurethane
Optimal adhesion on: Non-oily wood, Plastic, Aluminum, Steel, Painted metal, Vinyl, Stainless steel, Galvanized steel
Shaping time: 20 to 40 minutes
Volume: 300ml
Weight: 10oz
Properties: Can be painted.
Packaging Details: Cardboard cartridge