thereby eliminating the risk of incorrect mixing by human error

the activation process has to be repeated (once only)

even on slightly wet surfaces

Width: 50mm

Neutral Curing: Cures without releasing acetic acid

Sikaflex 221 White Polyurethane Sealant 300ml (Box of 12) Bondloc thereby eliminating the risk ofThe Sikaflex 221 is a high quality multipurpose single component polyurethane adhesive sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications. It bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are metals, metal primers and paint coatings (2 C systems), ceramic materials and