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| Business Type | Manufacturer, Exporter, Supplier, Retailer, Wholesaler |
| Color | Available In Many Colors |
| Purity | 99% |
| Packaging Size | 5kg / 10kg / 20kg / 25Kg etc |
| Click to view more | |
Preferred Buyer From
| Location | Worldwide |
Product Details
These dyes are called as ‘COLD BRAND DYES’. These dyes are having good reactivity, fastness properties. These dyes require milder alkaline conditions for application & fixation at optimum temp. of 30-40°C.
1. EXHAUST DYEING PROCESS :
Setthe dye bath 30-40°C and add predissolved dyestuff then enter the material and run for 15 minutes. Add half of the predissolved Giauber's salt and continue dyeing for 15 min. Add remaining amount of predissolved salt and continue dyeing for further 15min. now add predissolved Soda Ash solution and continue dyeing for further 30-60 minutes and wash the material
SALT & ALKALI REQUIREMENT
| Depth of Shade % | Salt (gms/ lit.) | Soda Ash (MCL Ratio) | |||
| 1:5 | 1:10 | 1:15 | 1:30 | ||
| Up to 0.5 | 0 | 5 | 5 | 3 | 2 |
| 0.5-1.0 | 40 | 10 | 5 | 4 | 2 |
| 1.0-2.0 | 50 | 15 | 10 | 8 | 4 |
| 2.0-4.0 | 60 | 20 | 15 | 10 | 5 |
| Above 4.0 | 60 | 20 | 15 | 10 | 5 |
2. SEMI CONTINUOUS & CONTINUOUS PROCESS:
(i) PAD BATCH PROCESS
Dye Stuff + Sod. Bicarbonate & Soda Ash Mix (4:1) 5-30 gms/iit, —> 24 Hrs. Batch—> Wash,
(ii) PAD -DRY - BAKE PROCESS :
Dye stuff + Urea 50-200 gmsilit. + Sodium Bicarbonate 5-10 gimsilit. --> Dry —> Bake 1 min. at 200° C or (3 min. at - 150°C) -—> Wash
(iii) PAD - DRY - STEAM PROCESS:
Dye stuff + Urea 50-200 gmsilit, + Sodium Bicarbonate 5-10 gmsilit.> Dry —> Steam (7 min. at - 100-150°C) —> Wash.
(iv) PAD- DRY - PAD - STEAM PROCESS :
Dye stuff + Resist Salt 10 gmsilit. --> Dry --> Chemical Pad (Caustic Soda 2gmsilit, + Salt 200-300 gmsiit.) —> Dry —> Steam (7-10 min. at 100-105°C) -> Wash.
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