A dressing method for woven fabric that gives firmness and sheen, and a process preventing cloth from shrinking whilst being made up .
Woven fabric–usually a plain weave–is passed through perforated rollers that blow steam through, then the cloth is allowed to cool naturally. The piece is then reversed so that the other side may be treated in the same way.
Wool is held between leaves of cotton and decatised under tension–sometimes called crabbing.
Worsted is commonly decatised.
See Cambric
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Mention hot and dry decatising?