Reaxis®  E140

REAXIS® E140, Potassium Stannate, is a fast dissolving alkaline stannous tin manufactured by a proprietary direct process that yields consistently high purity product. Potassium Stannate is used in Surface Finishing applications as a  tin replenisher in alkaline tin and tin alloy plating baths. Potassium Stannate also used in the stabilization of hydrogen peroxide.

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Reaxis® E140 - Product Details


  • Tin Content (%) 38.0 Min
  • Free KOH (%) 1.2 Max
  • Moisture (%) 2.5 Max
  • Insolubles (%) 0.1 Max

Standard Packaging

  • Fiber Drum, 100 lbs./50kg.
  • Plastic pail, 55 lbs./25kg.


  • Physical state  solid
  • Chemical type  inorganic tin
  • Color  white

Storage Conditions

Potassium Stannate should be stored in the original packaging. The container should be closed tightly after each use to maximize 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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