Sikaflex 221
Sikaflex 221 PU sealant is a universal 1K sealant that is elastic and adheres well to all substrates. Sikaflex 221 has good standing ability and is incredibly durable. Thanks to its high quality, the Sikaflex 221 PU sealant is a sealant that is used daily for the most diverse applications where sealing with sealant is necessary.
PU sealant from Sikaflex
Looking for a universal PU sealant that can be used on any substrate? Sikaflex 221 is the best PU sealant with an elastic and durable seal! This Sika sealant can be used without primer, dries quickly and after curing is easy to sand and repaint with 1K and 2K lacquer or paint.
Sikaflex 221 in 3 colors
Sikaflex 221 is available in 3 colors. After curing, the polyurethane sealant is easy to sand and is re-sprayable with paint or 2K lacquer. The 3 colors are:
To what surfaces does Sikaflex 221 adhere?
Sikaflex 221 universal PU sealant adheres to any surface. Whether you want to apply the sealant to an existing paint or old coating, or apply it to bare metal, plastic or aluminum. It's all possible! Sikaflex 221 adheres to the following materials, among others:
- Primer
- 2K lacquer
- Metal
- Plastic
- Ceramic metals
- Wood
- Plastic
Features Sikaflex 221 sealant
- Universal PU sealant
- Little to no smell
- Non corrosive
- Sprayable
- Can be sanded
- Adheres to most surfaces
- Can be used to a limited (!) extent near drinking water
- NSF approved: use in areas where food is prepared and stored allowed
- Tensile strength: 1.8 N/mm²
- Hardness Shore A: 40
