Standard Scouring & Bleaching Process in textile Or SOP Of Scouring and Bleaching Of Knit Fabric According To Fiber Type

Scouring is so important factor in wet processing (dyeing). Different type of chemicals and their different dosing is used according to the nature of the different fiber. We are discussing the scouring and bleaching process in textiles according to fiber or fabric type. Here We sharing a table of different types of fiver and their scouring process.

Table of Scouring and Bleaching Process Chemicals:

F/ TYPE	COLOUR	Scouring and Bleaching process Chemical	Scouring and Bleaching Process
100% COTTON	Light+ medium	Detergent=0.8; Caustic= 2.0; H2O2= 2.5	98×60 for Lt color ;   98×45 for Medium to Dark color ;
100% COTTON	Light+ medium	LAD Conc =0.6; Toxal = 1.0; Caustic = 1.5; H2O2= 2.0	80×30
100% COTTON	Dark	STN= 1.0;        TCB= 1.6	80×20 with enzyme, 80×40 without enzyme for STN; 90×20 with enzyme, 90×40 without enzyme for TCB
Recycle ctn / ROTOR	Light+ medium	LAD Conc =0.6; Soda = 3.0; H2O2 =2.0   /     MRG =0.8; Soda= 4.0; H2O2= 2.5	98×60 for Lt color ;   98×45 for Medium to Dark color
Recycle ctn / ROTOR	Dark	STN= 1.0;        TCB= 1.6	80×40  for STN;  90×40  for TCB
For overscouring	Special light	LAD Conc =0.6; Caustic = 2.0; H2O2 =2.5     / MRG =0.8; Caustic= 2.5; H2O2= 3.0          /     Toxal = 1.0; Caustic = 2.0; H2O2= 2.5	98×60 ; 80×30 for toxal
For overscouring	Special light	LAD Conc =0.6; Toxal = 1.0; Caustic = 2.0; H2O2= 2.5	80×30
100% VISCOSE + TENCEL + MODAL	Light+ medium	LAD Conc =0.6; Soda = 3.0; H2O2 =2.0     /    MRG =0.8; Soda= 4.0; H2O2= 2.5	80×30
100% VISCOSE + TENCEL + MODAL	Dark	STN= 1.0;	80×40
CTN/ MODAL	Light+ medium	LAD Conc =0.6; Soda = 3.0; H2O2 =2.0     /    MRG =0.8; Soda= 4.0; H2O2= 2.5	98×60 for Lt color ;   98×45 for Medium to Dark color
CTN/ MODAL	Dark	STN= 1.0; TCB = 1.6	80×20 with enzyme, 80×40 without enzyme for STN; 90×20 with enzyme, 90×40 without enzyme for TCB
ECO FRESH	Any	MRG =0.8; Soda= 1.0; H2O2= 2.0; STN= 0.75	90×30
CTN/POLY	Dark	TCB + TCW
CTN/POLY	Light+ medium	LAD Conc =0.6; Caustic = 1.5; H2O2 =2.0   / MRG =0.8; Caustic= 2.0; H2O2= 2.5	98×60 for Lt color ;   98×45 for Medium to Dark color

Here TCB= low-temperature scouring agent.

Lodcon=Powerfull detergent.

TCW= High functional Soaping Agent.

STN= Bio Scouring agent.

MRG= Detergent.

Caustic Soda= Scouring agent.

H2O2= Bleaching Agent.

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