Koster PU-Flex 25
Koster PU-Flex 25 is a highly elastic, one component, low modulus polyurethane joint sealant.
Koster PU-Flex 25 is a remarkable sealant used for between concrete, mortar, brickwork, natural and synthetic stone, metal, steel, aluminium, wood, ceramic tiles and rigid plastics.
Koster PU-Flex 25 is one component and cures with moisture to form a flexible sealant which can be overpainted after curing is finished.
This unique sealant is highly thixotropic with positive workability.
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- Highly elastic
- Non-sagging
- Good workability
- Environmentally Friendly
- Seamless Application
- Easy smoothing
- Highly thixotropic
- hot temperatures shorten curing time of material
- Good UV Resistance
- Excellent adhesion to typical construction materials
- Easy application using a silicone gun
- Polyurethane based
Straight after used clean tools/machinery polyurethane solvent.
Low temperatures lengthen curing time.
Koster PU-Flex 25 Contains isocyanates, avoid direct skin/eyes contact. If contact does occur rinse area well with clean water and soap, then seek medical advice.