SKU: CW67316
UPC: 338860050980
MPN: 90891
The Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - White is a professional-grade, high-performance bonding and sealing solution designed for the demanding environments of boat outfitting and industrial maintenance. This versatile polyurethane sealant is engineered to create permanent elastic seals that withstand the rigors of marine and automotive applications where vibration and environmental exposure are constant factors. Whether you are looking to buy a reliable adhesive for structural joints or need to seal gaps against moisture, this cartridge provides the durability required for long-term service.
Formulated as a one-component polyurethane, the Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - White cures upon exposure to atmospheric moisture to form a tough, flexible elastomer. It exhibits excellent adhesion to a wide range of substrates including wood, metals, metal primers, paint coatings, and ceramic materials, making it a staple for complex assembly projects. The non-corrosive and low-odor properties ensure that it can be applied in enclosed spaces without damaging sensitive components or causing discomfort during the curing process.
For those seeking the best specifications in a multi-purpose sealant, the Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - White is sandable and paintable once fully cured, allowing for a seamless finish on visible joints. It is ideally suited for internal sealing and simple bonding applications where a high-strength, weather-resistant barrier is necessary to protect against leaks and structural fatigue. Reviewing the application requirements reveals that this standard cartridge fits most industrial caulking guns, ensuring easy integration into your existing toolkit for immediate use in the field.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
