Wetting agents are surfactants with strong wetting properties; they can considerably reduce the surface tension of a liquid and therefore allow for the quick and deep penetration of preparation and dyeing baths into textile substrates.

They are particularly suitable for continuous processes where the bath / fibre contact time is very short (padding impregnation) or for processes involving wound-up bodies (packages, beams, etc.).

While fulfilling a de-aerating function, they increase the upward speed rate of bubbles within a system.

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