Selleys N-Mastic is a non-skinning polybutene-based compound. It will remain permanently soft and paste-like.

Features

  • Non-hardening - remains permanently flexible to provide a lasting seal
  • Good adhesion - adheres well to most substrates
  • Moisture resistant - provides an excellent barrier to water vapour transmission
  • Resists microbial attack
  • Low shrinkage - avoids the risk of sealant pulling away from joint surfaces
  • Wide service temperature range - withstands –40°C to +80°C service conditions


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Selleys N-Mastic is a non-skinning polybutene-based compound. It will remain permanently soft and paste-like.

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