Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Black

Sika Sikaflex 221 is a black multi-purpose polyurethane sealant and adhesive supplied in a 10.3 oz 300 ml cartridge. It is a non-sag, one-component formula that cures with atmospheric humidity to create a durable elastomer.

Use it where a permanent elastic seal with strong adhesion is needed on suitable marine and general substrates. It bonds to wood, metals, metal primers, 2-component paint coatings, ceramic materials, and plastics.

• Product type: multi-purpose polyurethane sealant and adhesive
• Color: black
• Package size: 10.3 oz, 300 ml cartridge
• Formula: one-component, non-sag polyurethane
• Cure method: cures when exposed to atmospheric humidity
• Suitable substrates: wood, metals, metal primers, 2-component paint coatings, ceramic materials, and plastics
• Finish work: can be sanded and overpainted
• Properties: highly elastic, durable, aging resistant, weathering resistant, and non-corrosive
• Approvals and listings: meets ASTM C920 types; tested and classified to ANSI/UL 723
• Registrations: NSF registered for Proprietary Substances and Nonfood Compounds in black, gray, and white
• Potable water listing: UL listed for potable water in black, gray, and white
• Warning: can expose users to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm