Mercerisation of cotton and bast fibres

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• Additional information

• Cotton mercerisation

a) Typical wet processing for fabrics

source: BAT 2003

b) Typical process sequence for the finishing of cotton knitted fabric

c) Typical process sequence for the finishing of cotton woven fabric

Typical parameters of the process

Techniques	Temperature [°C]	Pressure (bar)	Heat transfer medium	Residence Time	Additional information	Literature:
Mercerisation with tension	5-100			40-50s	concentrated caustic soda (270-300 g NaOH/l)	BAT 2003
Caustification	20-30	with applying tension			caustic soda of lower concentration (145-190 g/l)

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