Thursday - February 13, 2014


What is the science behind the effect of salt when rinsing garments with loose dye?



Posted at 03:52 PM     Read More  

Monday - January 13, 2014


Can you tell me what is the correct temperature for measurement the pH when dyeing with reactive dye?



Posted at 09:17 AM     Read More  

Saturday - November 09, 2013


Looking for the chemical structures of two reactive dyes: Bezactiv Gelb S-3R 150% and Bezactiv Blau HE-RM 133%



Posted at 11:48 AM     Read More  

Thursday - September 13, 2012


Is there a resource with the spectra of these dyes?



Posted at 08:50 AM     Read More  

Thursday - September 06, 2012


What is in silk dye?



Posted at 02:20 PM     Read More  

Wednesday - June 13, 2012


Please let me know whether Drimarine K dyes are monofunctional or bifunctional.



Posted at 10:06 AM     Read More  

Monday - May 21, 2012


What is the purpose of letting the fabric sit for a period of time after dying it before washing? What is the scientific explanation for this step?



Posted at 07:12 AM     Read More  

Wednesday - May 16, 2012


How to use the full chemical name of a dye to deduce its molecular structure and other information



Posted at 08:45 AM     Read More  

Thursday - November 10, 2011


What is the purpose of using sodium sulfate, when dyeing fabrics with Procion MX dyes?



Posted at 08:27 PM     Read More  

Friday - September 30, 2011


Is Remazol Blue BB dye anionic or cationic, and what is the closest formula for this dye?



Posted at 11:26 AM     Read More  

Wednesday - September 14, 2011


How can I substitute sodium sulfate decahydrate for anhydrous sodium sulfate, for use as Glauber's Salt in dyeing fabric?



Posted at 08:07 AM     Read More  

Thursday - September 08, 2011


Can I just test the pH of the solution to know whether I'm using enough washing soda?



Posted at 10:08 AM     Read More  

Thursday - August 04, 2011


How can you tell to which class of acid dye a particular dye belongs?



Posted at 09:16 AM     Read More  

Friday - June 03, 2011


Can you suggest a monofunctional dye that would give a darker shade than Reactive Blue 19?



Posted at 06:50 AM     Read More  

Wednesday - June 01, 2011


Can you suggest a monofunctional reactive black dye?



Posted at 09:03 AM     Read More  

Wednesday - May 04, 2011


Why did my dye smell like almonds or marzipan?



Posted at 06:21 AM     Read More  

Monday - April 18, 2011


Looking for chemical structure of Remazol Ultra Yellow RGBN



Posted at 07:34 AM     Read More  

Monday - March 07, 2011


Can I use your image, "Chemical structure of Cellulose"?



Posted at 08:07 AM     Read More  

Tuesday - January 11, 2011


Are the bonds that connect dye and fabric polar covalent or non-polar covalent?



Posted at 07:48 AM     Read More  

Thursday - December 23, 2010


Can we stop sodium alginate from getting hard and choking the printing machines?



Posted at 12:20 PM     Read More  

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