Zwaluw Polyflex 422 is a professional high quality sealant based on polyurethane technology which cures by reacting to moisture to form a durable elastic rubber

Benefits:

• Excellent adhesion without primer on most, even damp substrates
• High mechanical performances
• Permanently elastic
• Paintable with water based paints

Limitations:

• Not suitable for PE, PP, PC, PMMA, PTFE, sot plastics, neoprene and bituminous substrates
• Not suitable in combination with chlorides (pools)
• Slight yellowing may occur when white sealant is exposed to ultraviolet rays

Applications:

• Zwaluw Polyflex 422 was developed as a sealant for connection and expansion joints in concrete, wood, metal, aluminium, PVC frames and masonry

Directions Of Use:

• A joint with the correct dimensions is able to absorb movements between building materials
• The joint depth should always be in the correct relationship of the joint width

Surface Preparations and Finishing:

• Application temperature +5 to +40 Degree Celsius (applies to environment and substrates)
• All substrates must be solid, clean and free of grease and dust
• Zwaluw Polyflex 422 adheres perfectly without the use of primer to most non porous substrates
• Porous substrates to be pre-treated with Zwaluw Universal Primer
• Always test adhesion prior to application
• Use Zwaluw Finisher to smooth the joint

Paintability:

• Zwaluw Polyflex 422 is perfectly paintable with water based and most 2 component paints
• Synthetic paints can dry slower
• It is recommended to test compatibility with paint prior to application
• If Zwaluw Polyflex 422 is being painted, it is recommended to slightly sand the sealant and the junction surfaces prior to use with Scotch-Brite
• For the best results, paint a few days after application

Zwaluw Polyflex 422 are available in cartridges of 300ml

Zwaluw Polyflex 422 are sold in single units or box quantities of 12 pieces

MSDS Sheet available in documentation tab on this page!