What is Crocking fastness?
What is Crocking fastness?
Crocking means the transfer of color from one fabric onto another by rubbing. A fabric with poor color fastness would transfer its color easily onto other fabrics, especially to white color fabrics. That is why color fastness to Crocking/Rubbing is especially important in the bag manufacturing industry.
What is Crocking test in fabric?
Crocking refers to the rubbing off of color from a fabric when subjected to abrasion. One test is the AATCC 8-2001. This “is a test method of the American Association of Textile Chemists and Colorists (AATCC). This method uses a standard white cotton fabric that is rubbed against the surface of the test fabric.
What is Crocking in screen printing?
Crocking is a condition where the ink actually can be rubbed off. Of course first make sure the plastisol is thoroughly cured. If high-grade pigments are used by the plastisol manufacturer, crocking is usually not a problem.
What is the difference between Crocking and rubbing?
Transfer of dye from the surface of a dyed or printed fabric onto another surface by rubbing. Crocking determines the amount of color transferred from the surface of colored textile material to other surfaces by rubbing. Dye crocking is the result of color loss by mechanical actions such as friction and abrasion.
How do you do a Crocking test?
To test for wet crocking, the standard fabric is wet before rubbing against the test fabric. After rubbing under controlled pressure for a specific number of times, the amount of color transferred to the white test squares is compared to an AATCC color chart and a rating is established.
How do you stop color Crocking?
How to Stop Clothes Bleeding in the Wash
- Color Test. Before washing the garment with other clothes, do a color test.
- Hand Wash Separately.
- Use Cold Water.
- Color Catcher.
- Dye Fixative.
- Sort With Similar Colors.
- Reduce Friction.
What is Crocking in leather?
Crocking: Transferring of color or finish from leather to other materials by rubbing or abrasion.
What is wet and dry Crocking?
Wet or Dry Crocking is defined as the transfer of dye from the material surface onto another surface due to rubbing. Wet crocking is when dyes bleed due to exposure to moisture and dry crocking is when dyes bleed due to rubbing or exposure to another material.
How do you fix bleeding after washing color?
Get Color Bleed Stains Out With Laundry Detergent
- Fill a container or sink with a gallon of water.
- Add two tablespoons of detergent directly to the dyed area if possible.
- Work it around with an old toothbrush.
- Allow it to soak for 30 minutes.
- Rewash the garment and check.
Why did my tie dye bleed?
Why did my tie dye bleed? If the colors of your tie dye are running together, you are probably applying too much dye. Once the dye can’t soak into the shirt anymore it forms puddles on the fabric, which can then leak onto areas you wanted to remain dye-free. It is also possible that your ties aren’t tight enough.
How do you test for wet crocking?
This method uses a standard white cotton fabric that is rubbed against the surface of the test fabric. To test for wet crocking, the standard fabric is wet before rubbing against the test fabric.
What is the test method used in the use of crockmeter?
Crockmeter – Test Method. A specimen of the textile is rubbed with rubbing cotton cloth impregnated with solvent. The change in colour of the specimen and the staining of the rubbing cotton cloth are assessed with the grey scales.
What is crocking and why is it important?
The ACT guidlines define crocking as; Transfer of dye from the surface of a dyed or printed fabric onto another surface by rubbing. When selecting a fabric the crocking results impact the fabrics suitability. If a fabric fails the wet or dry crocking test it will also fail in the field.
What is the difference between Act crocking and AATCC?
Below are the ACT Crocking criteria, which is the industry standard for crocking. The AATCC 8 is a test method of the American Association of Textile Chemists and Colorists (AATCC). This method uses a standard white cotton fabric that is rubbed against the surface of the test fabric.