Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.

Sikaflex®-221 can be processed between 5 °C and 40 °C (41 °F and 104 °F) but changes in re-activity and application properties have to be considered. The optimum temperature for sub-strate and sealant is between 15 °C and 25 °C (59 °C and 77 °F). Sikaflex®-221 can be processed with hand, pneumatic or electric driven piston guns as well

VERSATILITY AND QUALITY IN ONE - Sometimes simply called Sika 221 black, this one-component urethane caulk bonds to a range of substrates, including metals, plastics, and metal primers and coatings ; AGE RESISTANT - Formulated to resist the effects of aging to better perform at peak capacity no matter the conditions.

Designed to resist the shock and abuse encountered over countless road miles, Silaflex-221 will maintain its strength and adhesion over the long haul ; Sikaflex-221 is weather resistant, sand able, paintable and NSF approved for potable water …

Jan 26, 2021 · Sikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Ideal for sealant and adhesive

Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.

SIKAFLEX 221 Sealant, 300 ML, Black 5 out of 5 Customer Rating Write a review. Item #: 147122. $20.99. SIKAFLEX 221 Sealant, 300 ML, Black Features $20.99. Select quantity: Add to Cart Shipping. FREE In-Store Pickup. Not Available ...

Sikaflex®-221 can be processed between 5 °C and 40 °C but changes in reactivity and applic-ation properties have to be considered. The optimum temperature for substrate and seal-ant is between 15 °C and 25 °C. Sikaflex®-221 can be processed with hand, pneumatic or electric driven piston guns as well as pump equipment. For advice on se-