Ebotan DA 50 FF

Ebotan DA 50 FF

tanning/retanning additive

Chemical composition

blend of a masked polyaldehyde condensation product

Active matter

approx. 50 %


clear yellowish liquid

pH - value (1:10)

3.5 - 5.5




stable to acids and salts under usual tannery conditions


1 : 3 with water of 30 °C - 40 °C

Field of application

It is ideally suitable during tanning and retanning to yield soft and full leather.



  • completely pH stable
  • contains formaldehyde only in traces
  • excellent filling of the loose structure without reducing the resistance of the fibre
  • improves respiration and washing fastness by better chrome exhaustion and gives more thermal stability



      Ebotan DA 50 FF is added in the pretannage before or after pickling. For a perfect penetration and distribution it is added 5 minutes prior to the dyestuff. It can be used alone or blended with syntans in the retanning.

      Percentage is based on shaved weight.


      Ebotan DA 50 FF

      1.0 % - 2.0 %
      of the pelt weight


      Ebotan DA 50 FF

      1.0 % - 2.0 %
      prior or after the chrome


      Ebotan DA 50 FF

      1.0 % - 3.0 % 
      prior to vegetable retanning

      Shrunken tanning

      Ebotan DA 50 FF

      3.0 % - 4.0 %
      to the bated stock

      Low chrome

      Ebotan DA 50 FF

      1.0 % - 2.0 %
      prior to the chrome

      Full vegetable

      Ebotan DA 50 FF

      1.0 % - 3.0 %
      after pickling


      Ebotan DA 50 FF

      2.0 % - 3.0 %

      Dyeing bath

      Ebotan DA 50 FF

      1.5 % - 2.0 %


      Ebotan DA 50 FF is a technical product and variations in colour and viscosity can happen. The properties for application are not touched by this.

      Storage temperature

      Storage at temperatures between 5 °C and 40 °C.

      Shelf life

      Up to 12 months in the original sealed packing.


      Stir before use.

      This information and our technical advice - whether verbal, in writing or by way of trials - are given in good faith but without warranty, and this also applies where proprietary rights of third parties are involved. Our advice does not release you from the obligation to check its validity and to test our products as to their suitability for the intended processes and uses. The application, use and processing of our products and the products manufactured by you on the basis of our technical advice are beyond our control and, therefore, entirely your own responsibility. Our products are sold in accordance with our General Conditions of Sale and Delivery.

      Download Technical Data Sheet