WebMay 21, 2006 · Dye fixatives are needed only for dyes that are not very washfast. The most washfast dyes on cotton are fiber reactive dyes such as Procion MX. The most washfast … WebAug 29, 2012 · The use of the cationic dye fixative is important with poorly washfast dyes such as direct dyes, but in the case of fiber reactive dyes it is used only when it is impractical to use a proper chemical reaction between the dye and the fiber, or when water and energy supplies make it necessary to skip some of the washing-out steps.
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WebMay 21, 2006 · Retayne and similar dye fixatives are cationic, which means that they have a positive charge. They are said to "swell" dye molecules in the fabric so that they stick better. Their positive charge allows them to cling to negatively charged dyes, such as the direct dyes and acid dyes found in all-purpose dye, and even fiber reactive dyes, though ... Webconcentrations. A fixative labeled 10% buffered formalin is actually a 4% solution of formaldehyde (i.e., a 10% solution made from a 37-40% solution of formaldehyde). Symptoms of Exposure Because formaldehyde is very water soluble it affects the mucous membranes. The effects of formaldehyde exposure can vary from person to person. WebColorStay Dye Fixative Color Remover. Laundry Additives Whitener Brightener White-Wash {{ partial.tYZN.all_text }} Instructions by Product . All-Purpose Dye DyeMore for Synthetics ColorStay Dye Fixative Color Remover White-Wash. Instructions by Method Sink or Bucket Stovetop Washing Machine Spot Dyeing Microwave. northern railway orh booking