Cadira® ReactiveSaving Valuable Resources

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Committed to Sustainability. At DyStar, our products and services help customers worldwide reduce costs, shorten lead times and meet stringent quality and ecological specifications.

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Information and our technical advice - whether verbal, in writing or by way of trials - are given in good faith but without warranty, and this also applies where proprietaryrights of third parties are involved. Ouradvice does not release you from theobligation to check its validity and to test our products as to their suitability for the intended processes and uses. The application, use and processing of our products andthe products manufactured by you on the basis of our technical advice are beyondour control and, therefore, entirely yourown responsibility. Our products are soldin accordance with our General Conditionsof Sale and Delivery.

, , Cadira, Levafix, Sera and Remazol are registered trademarks of DyStar Colours Distribution GmbH

Copyright of the material in this document is owned by, or licensed to, DyStar Singapore Pte Ltd

What is Cadira Reactive?• Dyeing of cellulosic fibers in exhaust process with selected high fixation / good wash-off Levafix® and

Remazol® dyes

• Optimized dyeing process with improved dye fixation

• Special wash-off process

Why Cadira Reactive?• Higher fixation yield

• Optimized dyeing process

• Special wash-off process

Committed to Sustainability

Cadira® Concept

Cadira® Reactive reduces the carbon footprint of the reactive dyeing process

The Cadira Reactive dyeing and wash-off process is carried out in LR 5:1

1. Salt2. Sera® Lube Neo (lubricant)

Sera Quest M-USP (sequestering)

3. Selected Levafi x / Remazol dyes4. Alkali5. Sera Fast C-RD6. Acetic acid 60%

reduced cost reduced waste water pollution

reduced cost reduced energy consumption

reduced cost reduced water consumption reduced energy consumption

T [°

C]

For LR 5:1, bleached CO 0-0%,5% 0,5%-1% 1%-3% 3%-6% > 6%

Salt (g/l) 5-20 20-25 25-45 45-60 80

Soda ash (g/l) 6 6 6 6 6

NaOH 50% (ml/l) 0-1.0 1.0-1.7 1.7-2.3 2.3-3.5 4.0

Recommended dyes and dye concentrations for 100% cotton (max 4% in total)

Dye selection is based on high fi xation yield and good wash-off behavior

Bleaching can be carried out at LR 5:1

1.0 - 2.0 g/l Sera® Fil SBS2.0 - 6.0 ml/l NaOH 50%4.0 - 8.0 ml/l H2O2 35% 50° C

98° C 30 - 45 min

Bleaching

Sera Con M-TCpH 5.0 - 6.5

Sera Zyme C-SX0.3 - 0.5 g/l

Overfl ow rinse or rinsing for 5 minutes at 50° C

H2O2 elimination dyeing in the same bath

Total time: 195 minNo. of bath: 5

T [°

C]

t [min]

Cadira® Reactive process

Total time: 256 minNo. of bath: 7

T [°

C]t [min]

1. Salt2. Sera® Lube Neo

Sera Quest M-USP

3. Reactive dyes4. Alkali5. Sera Fast C-RD (Cadira) / acetic acid (conventional)

6. Acetic acid (Cadira)Soaping agent (e.g. Sera Sperse C-SN)

Standard Reactive process

Remazol® dyes Max. % Remazol dyes Max % Levafi x® dyes Max %

Remazol Yellow RR 1,5 Remazol Golden Yellow RGB 2,5 Levafi x Brilliant Yellow CA 2,5Remazol Red RR 1,5 Remazol Ultra Yellow RGBN 2,5 Levafi x Yellow CA 2,5Remazol Blue RR 1,5 Remazol Ultra Orange RGB 1,5 Levafi x Amber CA 2,5

Remazol Ultra Carmine RGB 2,5 Levafi x Amber CA-N 2,5Remazol Yellow SAM 1,5 Remazol Ultra Red RGB 2,0 Levafi x Orange CA 2,0Remazol Red SAM 1,5 Remazol Navy RGB 150% 2,0 Levafi x Brilliant Red CA 3,0Remazol Blue SAM 1,5 Levafi x Fast Red CA 3,0Remazol Grey SAM 1,5 Remazol Brilliant Blue BB 133% 1,0 Levafi x Red CA 3,0Remazol Gold SAM 2,0 Remazol Red RB 133% 2,0 Levafi x Red CA-N 3,0Remazol Deep Yellow SAM 3,0 Remazol Brilliant Violet 5R 2,0 Levafi x Rubine CA 1,5Remazol Deep Orange SAM 3,0 Remazol Black B 133% 4,0 Levafi x Olive CA 100 2,5Remazol Red Brown SAM 3,0 Levafi x Blue CA 2,0Remazol Brilliant Red SAM 3,0 Levafi x Dark Blue CA 2,0Remazol Pacifi c SAM 2,5 Levafi x Navy CA 2,0Remazol Space SAM 01 3,0