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Dec 30, 2010

Pre Wash with Acetic acid can control back staining specially in the case of Turquoise Color.

Pre Wash with Acetic acid can control back staining specially in the case of Turquoise Color.

Acetic Acid (Conc), Sodium Alginate, Soap (Polyglycolether, Nonionic).

Purpose is to control back staining during washing in reactive printing. Some red and all turquoise bleed a lot during washing. Washing fastness like ISO 105 CO3 and 105 CO6/C2S also shows that turquoise are have very poor fastness, Any way in this post we are only concerning about the reacting after washing off of freshly printed fabric. We are not concerned with any kind of fastness like washing, Perspiration and Dipping etc.

Stock paste:
Mild. Oxidizing agent                10  g/Kg
Urea                                        100g/Kg
Sodium Bicarbonate                 25g/Kg
Alginate Thickener                   25g/Kg
Water                                      Balance
Total                                       1 Kg

Dye Glass:
Dye                                         50g/Kg
Stock paste                              Balance
Total                                       1 Kg

Print and dry at 110-120°C for 1Min.
Cure at 200C for 1 Min

With and Without Acetic Acid

    §     Cold rinse
    §     Hot Rinse
    §     Hot Rinse With 5g/L Acetic Acid Concentrated (rinse it in acetic bath for One Min)
    §     Soap at 100oC With Soap (For example a market famous soap Drimagen E2R)
    §     Hot Rinse
    §     Cold Rinse


    One will clearly see the effect of using acetic acid in pre washing. Staining will be less at least one can get one degree more in grey scale rating…

    * Pre Trials in the lab are recommended before proceeding or finalizing.

    Using Pre wash by Acetic acid is not recommended in Synthetic Thickeners as it goes for shade Change. Like in our case it has gone Turquoise to Greenish.

    AO Safety 91264 Professional Chemical Splash GoggleSterling Silver Turquoise Double Strand Bracelet with Toggle ClosureUse of agricultural waste sugar beet pulp for the removal of Gemazol turquoise blue-G reactive dye from aqueous solution [An article from: Journal of Hazardous Materials]Purple Orchid - Girls Short Sleeve Tie Dye T-Shirt, Turquoise, Pink (Size 7)


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