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CONSTOL® DE61 is a Liquid formulation based on (ethylene dioxy)di methanol and N-octyl-isothiazolinone. It is a preservative for technical, aqueous products such as concrete additives, adhesives, starch slurries, cooling lubricants, etc. 
CONSTOL® DE61 has a well-balanced spectrum of activity covering bacteria, mould and yeasts. It should be used in particular when outstanding fungicidal effectiveness is required in combination with a good bactericidal effect. (Ethylene dioxy)dim ethanol is a so-called formaldehyde donor. In order to ensure the limit value of <1000 ppm of free formaldehyde in the preparation, a maximum of 0.2% of CONSTOL® DE61 related to the total weight of the preparation may be used.

Stable under normal conditions of storage down
to 0°C. If frozen, allow to thaw and stir well
before use.

Due to channel limitations, regulatory procedures or other product constraints, we are unable to directly sell this product online. Please contact our team to receive a quote and get set up.

Product Benefits

  1. (OIT) is effective against mildew, bacteria, and fungi.
  2. (OIT) has the advantage of broad-spectrum antibiosis. This product has a good ability to inhibit fungi, bacteria, mold, and enzyme bacteria.
  3. (OIT) has low toxicity. It contains no formaldehyde and has no peculiar smell.
  4. (OIT) has a strong capability of killing mildew, the effect is obviously superior to that of the traditional mildew inhibitor, and it is an updated product of the traditional paint film mildew inhibitor.
  5. (OIT) is harmless to the environment, can be naturally degraded into non-toxic substances, and does not pollute the environment.


  • Add mixtures.
  • Sealant.

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We're thrilled to announce that our team will be present at Detex 2024, the highly anticipated detergent event in the Middle East. As industry leaders in the field of preservatives, we're excited to showcase our latest innovations and connect with fellow experts, manufacturers, and enthusiasts in the field.
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