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Process plant for pigment paste production

Our customers are among the leading suppliers in the field of pigment pastes. Worldwide, many of them have standardised their production based on the ystral Conti-TDS technology.

Its Conti-TDS technology, allows ystral to overthrow conventional methods for pigment paste production. This makes premixing or pre-dispersion with a dissolver, as well as subsequent milling, superfluous. Our customers thereby increase their performance and competitiveness.

Industry:
Paint and lacquer industry
End product:

Water-based pigment pastes

Application:

Dispersion of pigments

The customer requirements:

  • Capacity: 3.5 t/h
  • Batch size: 3.5 t
  • Space requirement: 4.5 x 4 x 4.3 m
  • Powder feed: Powder container or big bag
  • Cleanability: High
  • Solids content 64 %
  • Fluid addition Automated
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Advantages compared to the previous process:

  • Enormous rationalisation potential through the combination of 5 process steps: Container emptying, powder transport, powder loading, powder wetting and dispersion via a single machine - Conti-TDS technology.
  • Powders are inducted without dust formation and loss-free directly from sack, container, hopper, big bag, silo truck or silo (via weighing systems) in liquids, e.g. solvents or water, wetted immediately and then dispersed without agglomerate formation.
  • Production of a 10 t batch (with 5 t of powder - fillers, pigments, thickeners etc.) in less than 1 hour. 
    The powders are inducted directly from the big bag, hopper or sack chute at up to 400 kg/min and dispersed immediately.
  • Substantial reduction of process times compared to dissolvers through highly effective dispersion within a narrow particle size range, which saves milling time or even completely eliminates milling for many products.
  • Energy savings of up to 70% compared to comparable dissolver systems
  • Raw material savings through colloidal wetting of particles.
  • Clean process - dust and loss-free addition of powder, even of lightweight fillers, matting agents and thickeners - no residue on containers or built-in components.
  • Fast and reproducible modification of products thanks to the immediate and complete breakdown of, e.g. HEC, Acematt etc.
  • No ingress of external air, powder conveying under vacuum in dense stream.
“An important goal was to eliminate the bottleneck in the downstream milling process and thereby help our customers to work without interruption and even more cost-effectively. This was achieved thanks to the significantly improved dispersion properties of Conti-TDS technology: For some of the products, the milling process can now be eliminated altogether and for the others it has been significantly shortened.”

David Manke, Managing Director, Process and Application Engineer

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