The unique foam resists distortion from drilling

Neutral Curing: Cures without releasing acetic acid

The product features a convenient 1:1 mix ratio

Width: 50mm

Sikaflex 221 White Polyurethane Sealant 300ml (Box of 12) Bondloc The unique foam resists distortionThe 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