Reaxis®  C318

REAXIS® C318 is a liquid catalyst used in the condensation cure of silicones and the synthesis and curing of polyurethanes. REAXIS® C318 is considered a slower catalyst compared to its butyl and methyl-based analogues.

REAXIS® C318 can be used as a catalyst in the following applications:

  • Silicone/silane based adhesives and sealants
  • Polyurethane elastomers
  • Polyurethane adhesive and sealants
  • Polyurethane coatings
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Reaxis® C318 - Product Details


  • Tin Content (%) 15.7 - 17.5
  • Density (g/ml) 1.01 - 1.05
  • Viscosity (cP @ 20°C) 150 - 250
  • Color (Gardner Number) 2 Max

Standard Packaging

  • 44 lb (20 kg) plastic pail
  • 440 lb (200 kg) plastic drum


  • Physical state  liquid
  • Chemical type  dioctytin

Storage Conditions

REAXIS® C318 should be stored in the original packaging. The container should be closed tightly after each use to maximize product shelf life.

This information is provided to the best of our knowledge but without obligation. Reaxis is not liable for any incorrect or missing information. This data sheet becomes invalid upon publication of a new version. Please contact us for the latest version.

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