Reaxis®  C620

REAXIS® C620 (Zinc Octoate) can be used as a catalyst for polyurethane resin synthesis and crosslinking. In polyurethanes, REAXIS® C620 promotes lower reactivity compared to organotins and provides pot life extension in 2-component systems. REAXIS® C620 can also be used as a curing zinc catalyst for unsaturated polyesters. In addition, REAXIS® C620 catalyzes a variety of isocyanate crosslinking reactions.

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Technical Information

  • Chemical Name Zinc Octoate

Typical Specifications

Parameter Range
Zinc Content (%) 20.0 - 23.0
Color (Gardner Number) 5 Max
Density (g/ml) 1.1 - 1.2

Package & Storage


  • 2500 lb IBC
  • 440 lb (200 kg) drum


REAXIS® C620 should be stored in the original packaging at moderate temperatures and kept from freezing. The container should be closed tightly after each use to maximize shelf life.

Safety and Handling

Before use of Reaxis products please refer to the relevant Safety Data Sheet (SDS) for safety and toxicological data as well as for the information on proper transportation, storage, and use. SDSs are available by request via our web site, contacting your local representative, or emailing direct to

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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