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AW421 is a powerful solvent-based cleaning solution for dissolving and removing mastics, adhesives and sealants.


AW421 will remove many common adhesives and sealants, particularly in the uncured state.The product may also be used for cleaning and to degrease other surfaces that are not sensitive to solvents such as metal, ceramics and glass.The product can also be used to dilute CT113 Contact Adhesive, in order to achieve a consistency suitable for use as a surface primer.

The product is not suitable for use on materials and surfaces which are sensitive or prone to solvent attack.

Safety data sheet must be read and understood before use. Highly flammable - keep away from open flames and other ignition sources.

  • Removes most adhesives & sealants
  • Cleaner for tools & equipment
  • Thinner for solvent-based adhesive
  • Degreaser for substrates prior to bonding
AW421 Safety Data Sheet (en-GB).pdf Safety Data Sheets
AW421 Technical Data Sheet (en-GB).pdf Product Data Sheets