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Navkar Impex
Navkar Impex
Narolgam, Ahmedabad, Gujarat
GST No. 24BNGPS1046C1ZD
08048616227 66% Response Rate
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Dye Fixing Agent

Leading Manufacturer of dye fixing agent from Ahmedabad.
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Dye Fixing Agent
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Dye Fixing Agent

Approx. Price: Rs 245 / KgGet Latest Price
Product Brochure
Product Details:
Minimum Order Quantity50 Kg
ApplicationDyeing Process
FormLiquid
PH Value5.5-6
BrandNavkar
Country of OriginMade in India
Ionic characterCationic
Other Details:
  • Stability: Dye Fixing Agent is not susceptible to sulphate ions i.e. the presence of sodium sulphate, copper sulphate, or other sulphates cause no inconvenience. Moreover this product is resistant to salts contained in hard water, chlorides and acids. Alkalies may impair its stability
  • Storage Stability: Suitable for prolonged storage
  • Compatibility: DFA being cationic in character reacts with anionic product and undesirable compound may be found when such products are simultaneously present in the after treatment baths. Care should be taken to check compatibility through circumstances. DFA is compatible with non-ionic and cationic auxiliaries.

Applications:
  • For improving the wet fastness properties of direct and reactive dyes.
  • DFA is ideally suited to improve the fastness to water, perspiration and wet finishing of dyeing and prints, produce with direct dyes on cotton and re-generated cellulose.
  • DFA does not cause any significant change in the shade or a reduction in fastness to light.
  • A preliminary test is recommended in case where these are of critical importance.
  • The handle of the goods is affected a little repellency, the riveting of goods treated with it remain virtually impaired.

Process:
  • To ensure optimum improvement in fastness properties in medium shades produced with direct dyes and reactive dyes 2 - 4 % on an average of DFA calculated on the weight of the goods is required.
  • The quantity is somewhat reduced in case of pale shades.
  • An after treatment with 1-2% DFA is often sufficient to produce considerable improvement in the wet fastness properties.
  • To ensure a uniform after treatment on the jig or on dyeing machines DFA may be added in several portions.
  • In continuous process on the padding mangle it is applied for solutions containing 10-25 g.p.l calculated on the starting  batch.
  • The goods are dried immediately.

Suggestions for usage in consumption with reactive dyes:
  • Very often it is not possible to ensure a through final washing off to completely remove the hydrolyzed reactive dye which has just been rendered to react and from a bond with the cellulose fiber on which it is applied.
  • DFA effectively prevents such initial bleeding in home washing by fixing the hydrolyzed reactive dye substantively taken up by the cellulose fiber thus elimination a possible future complaint.

Stripping:
  • If re-dyeing is necessary to rectify faults pre-stripping of DFA may be carried out in a bath containing 2-4 parts formic acid (85%) per 1000 parts liquor at near oil for 30 minutes followed by through rinsing.
  • Re-dyeing may then be carried out followed by dye fixing treatment.

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