The Caustic washing process of batch of 80 kg Twill/Canvas garments are described below First step: DETERZENT WASH ü Lot weight(80pes)———— 80 kg denim long pant ü Add water @L: R=1:8———– 640 liters. ü Machine running ü Add Caustic soda(NaOH)@ 1.6 gm/liter ————- 1024 gm ü Add Detergent @ 0.8 gm/liter —————– 512 gm ü …
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Ø Add water @ L: R = 1: 8………….. 480 litres. Ø Machine running. Ø Add bleaching powder (k.c.i) @ 10 gm/litre. 4800 gm. Ø Add soda ash @ 5 gm/litre …………………………. 2400 gm. Ø Temperature…………………………………………………… 60°c. Ø Time (Depend upon the shade)……………….. 12 to 15 mts. Ø Drop the liquor. Ø Rinse twice, each …
Continue reading Bleach wash of Denim Long PantCalcium Hypochlorite or Sodium Hypochlorite may be used in Hypochlorite bleaching. Calcium Hypochlorite has cheap sources and hence less expensive than sodium Hypochlorite. But sodium Hypochlorite has some technical advantages. q Common Recipe : Hypochlorite Wetting Agent Soda Ash Temperature Bleaching Action: When calcium hypochlorite or sodium Hypochlorite is hydrolyzed, hypochlorous acid is formed which …
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