Sikaflex 221 is a versatile, stable polyurethane sealing compound that has been tried and tested in the automotive industry for many years. It cures to a so-called elastomer in conjunction with humidity.
Applications: Sika Flex 221 has a very broad adhesion spectrum. It is suitable for durable, elastic and adhesive connections. Sika is used both as an adhesive and as a sealant. It is used on the following substrates: metals, wood, paints and primers (2-component base), plastics and ceramics.
Advantages and product features: sandable recoatable 1-component non-corrosive elastic low-odour silicon-free broad adhesion spectrum approved under food law (NSF + Ordinance on Commodities and Articles. 2002/72/EC)
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