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Formaldehyde-free Color Fixing Agent(LSF-36)

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Formaldehyde-free Color Fixing Agent(LSF-36)

December 25, 2025
Latest company case about Formaldehyde-free Color Fixing Agent(LSF-36)
Features:
  1. Contains reactive groups in its molecular structure, further enhancing color-fixing efficacy;
  2. Free from free formaldehyde and does not release free formaldehyde, meeting environmental protection requirements.
Application:
  1. This product enhances the wet rub fastness of reactive dyes and is suitable for dyeing or printing processes involving direct dyes and reactive turquoise blue.
  2. It improves the fastness to soap washing, perspiration, rubbing, ironing, and light exposure for reactive-dyed or printed materials.
Brief Usage Instructions:
1. Process Parameters:

Dilute the color fixative with water at a 1:1 ratio.

Color fixative dosage: 2%–3% (o.w.f)

Fixing temperature: 50–70°C

Time: 15–20 minutes

pH value:

5.5–6.5

2. Process Flow:

Dyeing → Washing (→ Soaping → Washing) → Fixing → Washing → Other Finishing Treatments

3. Precautions:
  1. Thoroughly rinse with clean water before fixing to prevent residue from affecting fixation results;
  2. Rinse thoroughly with clean water after fixing to avoid impacting subsequent processes;
  3. pH levels affect both fixation efficiency and fabric color appearance; adjust accordingly based on actual conditions;
  4. Increasing fixative dosage and temperature enhances fixation, but excessive levels may cause color changes;
  5. Factories should conduct sample testing and adjust specific processes based on actual conditions to achieve optimal fixation results.

latest company case about Formaldehyde-free Color Fixing Agent(LSF-36)  0

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WUXI LANSEN CHEMICALS CO.,LTD.

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