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(Non – Formaldehyde Type Fixing Agent for Reactive Dyeing & Printing)
Iwa Fix is a fixing agent to improve the wet fastness of reactive and direct dyeing and printing of cellulosic fibers. Iwa Fix is also applicable to after-mercerized dyeing.
COMPOSITION :
The aqueous solution of cationic polymers (POLYDIALLYLAMINE TYPE).
PROPERTIES :
- Light yellow clear solution  
- Specific gravity = 1.04 (25°C)  
- pH (10 g/l) = 4  
- Easily can be diluted with cold water in every ratio  
CHARACTERISTICS :
- Improves the fastness to water, wishing, acid-hydrolysis and chlorinated water.
- Only slight influence on the hue of dyeing.
- No or only slight influence on the light fastness.

- No or only slight influence on the handling touch.

- High resistance to acids, alkaline and hard water 
- Contains no formaldehyde.
- Compatible with many softening and finishing agents provided that they are not anionic.
 
APPLICATION :
The dyed, well rinsed material is treated as follows
Exhaustion method Continuous method
Iwa Fix = 2 ~ 6 % o.w.f. Pad the dyeing with 5 ~ 30 g/l
Ligqor ratio = 15: 1 ~ 20: 1 Solution of Iwa Fix at
Temperature = 40 ~ 60 °C 20 ~ 40º C then squeeze and dry.
Duration = 15 ~ 20 min  
CAUTIONS IN USING :
- Insufficient rinsing before fixing treatment can impair fastness properties.
- Avoid the mixing with anionic substances. (Precipitation may occur.)
- The stripping of Iwa Fix is highly difficult.
Fixing Effect

Dyestuff

(% owf)

Fixing Agent

Change in Hue

Washing Fastness

 

*1

Acid Hydrolysis Fastness

*2

Light Fastness

Chlorine Fastness

Remazol Bril

Red BB (1)

Blue R (2) Yellow GL (1)

 

Non

 

Iwa Fix

 

-----

 

5

 

5     5      3

 

5     5      5

 

5      5      4

 

5      5    4-5

 

4 – 5

 

4 - 5

 

3

 

3 - 4

Sumifix Supra

Brill. Red GF (1)

Blue BRF (2)

Yellow 3RF (1)

 

Non

Iwa Fix

 

-----

 

5

 

 

4-5   4      5

 

4-5  4-5    5

 

4-5    5      3

 

5        5      5

 

4

 

4  -  5

 

 

3

 

3

 

Kayacion

Red E-SN7B (1)

Blue E-NB (2)

Gold. Yellow E-SNR (1)

 

Non

Iwa Fix

 

----

5

 

4-5    3      5

4-5   4-5    5

 

4-5     3       2

4-5     5       5

 

 

4

4

 

 

3

3-4

 

 

Remazol Brill

Blue RKN (4)

Non

Iwa Fix

-----

5

4-5    5    2-3

4-5    5    5

5        5      3-4

5        5      4-5

5

5

 

 3-4

 3-4

*1. Fixing condition: Iwa Fix 2 g/l; Liquor ratio 20: 1; 50°C – 20 min.
*2. Washing: JIS – LO844 A-4 (Soap 5 g/l, Soda Ash 2 g/l; 70°C – 45 min)
*3. Acid Hydrolysis: JIS – LO846 B-16 hrs (Lactic acid 10 g/l – squeeze – dry 120° C/5 min)
*4. Light: JIS - LO842 (Carbon Arc Fade-O-Meter 20 hrs)
*5. Chlorine: JIS – LO884 (Available chlorine: 20mg/l)
IN *1 and *2;
Left: Change in shade;
Middle: Staining on Cotton;
Right: Staining on Silk
 
The information and recommendation presented here were compiled with utmost care, but cannot be extended to cover every possible case. Preliminary test are recommended in all cases.
NOTE:
There are three types of Reactive & Direct Dye Fixing Agents:
Dicyandiamide Type (Conventional Product)
Poly Amine Type (Conventional Product)
Poly Cationic Type Iwa Fix (New product – Very Much Resistant to Chlorine Water).
 
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IWASA CORPORATION
14,15 Jay Jalaram Compound,
Mugat Dyeing Lane,
B/H Arihant Complex,
Udhna , Surat - 395 010
Gujarat , (IND)
Phone: +91.261. 2273916
Mob: +91.98241 72340
Email: [email protected]
Web:www.iwasaindia.com

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