RUBFAST-716 | Wet Rubbing Fastness Improver

Product Information

Rubfast-716 is a speciality finishing agent to improve dry and wet rub fastness of all types of dyed and printed cotton and their blends. It is suitable for indigo denim fabric as it will not give back staining and patchiness during finishing. Rubfast-716 can be applied by both dry-on-wet and wet-on-wet application.

Key Features & Benefits
Key Features Benefits
Excellent improvement in wet rub fastness by padding
Improves by 1.5-2.0 units on direct reactive, sulphur, indigo and pigment dyed fabrics
No adverse effect
Does not affect the washing fastness and original handle of fabric
General Characteristics
Physical appearance
Yellow to yellow brown liquid
Ionic nature
Weakly cationic to Amphoteric
pH of 1% solution
4 +/- 1
Miscible with water
Compatible with cationic and non ionic products
Stable to dilute acids and unstable to dilute alkalies

Step wise procedure for preparing Rubfast-716 solution 

- Take required quantity of Rubfast-716 (30 g/l OR 3%)

- To this, gradually add water (pH 5.8-6.2) and make the total volume

- Mix well to get uniform solution

- Solution of 30 g/l Rubfast-716 will appear Colourless to straw white liquid with pH 3.7-4.2 

Padding Application: 

Pad -> Dry at 130-160 deg.C

Exhaust process:

40deg.C, 20-30 min (with intermittent stirring) 

Dry --> Curing @ 150-160 deg.C, 2-3 min 

Special Instructions:

1. Fabric to be treated should be free from anionic components. 

2. Absorbency of fabric should be instant. 

3. For garments, it is essential to cure at 150 deg.C after exhaustion 

4. If the water pH>6.2, adjust it to pH 5.8-6.2 and then use. 

5. 30 g/l Rubfast-716 will appear Colourless to straw white. 

6. Avoid using hard water. 

7. Prepare the solution at room temperature (approx.30 deg.C) 

8. Do not keep Rubfast-716 stock solution standing. 

9. Ensure that the padding bath pH is 3.7-4.2 throughout the process. 

10. Pre-lab trials are recommended with other finishing agents. 

11.On standing the product tends to turn darker. 

12.Rubfast-716 has limited durability to washings. 


Storage : Store in cool, ventilated shed away from heat and direct sunlight. Storage temperature should not exceed 35 deg C. Close lids firmly to avoid contact with air and moisture.

Shelf Life : 9 months from the date of manufacturing, if stored under controlled conditions.

The above information is given in good faith and is without warranty