Production Process

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Preparation of the skin for tanning

  • 1.

    Soaking

    The raw goods are cleaned. Contaminates and preserving salts are removed.

  • 2.

    Liming

    The addition of chalk and sulfur compounds removes hair from the skin and any excess proteins or fats.

  • 3.

    Fleshing and splitting

    Removal of flesh and tissue residue using a sharp cutting roll.

Staining, pickling and tanning

  • 4.

    Bating and pickling

    Bating and pickling the skins (with enzymes, acids and salt) makes the tissue fibers receptive.

  • 5.

    Tanning

    Probably the most important stage in leather production. During tanning, the structure is stabilized and conserved with the use of tanning materials - this turns the skin into leather.

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Dying and drying

  • 6.

    Sammying (dewatering)

    The wet leather is dewatered

  • 7.

    Sorting

    The leather is sorted according to the different quality criteria.

  • 8.

    Folding

    Leather is developed to an even thickness

  • 9.

    Neutralizing, filling, dying and greasing

    The acids from tanning are neutralized. Filling and dying is carried out depending on the type of leather, next the finished leather is given the required softness and elasticity through greasing.

  • 10.

    Drying

    Drying (vacuum, tensioning frame and/or hang drying)

  • 11.

    Milling and studding

    Softening of the leather fibers

Quality check

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Products

Areas of application

Development

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