1. Exceptional Color Fixation
Uses cationic high-molecular-weight crosslinking to form dual ionic and covalent bonds with sulfur-indigo dyes
Greatly improves wash fastness, rubbing fastness, and perspiration fastness
Effectively prevents color loss due to washing, abrasion, or friction
2. Eco-Friendly & Safe
Free from formaldehyde, benzene, and other hazardous substances
Compliant with OEKO-TEX® Standard 100, REACH, and other international eco-standards
Low VOCs, ensuring a safer working environment and end-user safety
3. Strong Compatibility
Compatible with sulfur-indigo dyes, penetrants, softeners, and other auxiliaries
Can be directly added to fixation baths without impacting fabric hand feel, softness, or appearance
4. Superior Process Adaptability
Suitable for pad-dry-cure, immersion, and other common fixation processes
Minimal effect on fabric whiteness and tone, preserving the deep, vivid blue of sulfur-indigo
| Appearance | Colorless to pale yellow transparent liquid (slight turbidity over time does not affect performance) |
| pH Value | 6.5-8.5 (neutral to weakly alkaline, resistant to acid/alkali fluctuations). |
| Ionicity | Cationic |
| Solubility | Easily soluble in water |
This fixing agent is specifically designed for sulfur-indigo dyed textiles requiring long-lasting, high-performance color retention.
Fiber Types:
 Cotton |  Viscose |
 Linen |  Cellulose blends (e.g., cotton/polyester, cotton/nylon) Note: Slight process adjustment may be required for blended fabrics. |
Dye Types:
All sulfur-indigo dyed textiles, including:
Denim
Workwear
Canvas
Home textiles
Packaging: Plastic drums
Storage Conditions:
Store in a cool, dry, well-ventilated area (5–35°C)
Avoid direct sunlight, freezing, and contact with strong acids, alkalis, or oxidizers
Shelf Life:
12 months unopened
6 months after opening (mild stratification may occur with time—simply stir before use)
| Product Name | Basic Properties | Product Features | Application Process | Scope of Application |
| High-Temperature Leveling Agent MX-562 | Appearance: Yellow transparent liquid Ionization: Anionic pH (1% aqueous solution): 5.0–7.0 Solubility: Readily soluble in water | 1. Strong dispersion: Prevents dispersion dye agglomeration and secondary flocculation, eliminating dye spots 2. Excellent leveling: Controls dye uptake rate to avoid uneven coloring caused by rapid dyeing 3. Superior migration: Corrects streaks and shade variations, improving fabric uniformity 4. Color neutrality: Low decolorization, pure hue, and no reduction in color fastness | High-temperature high-pressure immersion dyeing (common method): 0.5–1.5 g/L Dosage adjustment: Lower for light shades, higher for dark or dye-sensitive fabrics | Polyester (PET), polyester-cotton, polyester-spandex, polyester-elastane, imitation silk, and polyester knitted/woven fabrics dyed with disperse dyes under high-temperature high-pressure conditions. |
| Reactive Turquoise Blue Fixing Agent MX-833 | Appearance Light yellow transparent liquid Ionicity Cationic pH (1% aq. sol.) 4.0 – 6.0 Solubility Easily soluble in water | 1. Specialized for Difficult Dyes: Formulated for reactive turquoise blue, reactive brilliant blue, and other hard-to-fix dyes. 2. Enhanced Fastness: Significantly improves wet rubbing, washing, perspiration, and heat resistance. 3. Improved Staining & Migration: Effectively reduces white cloth staining, color bleeding, and color migration. 4. Color & Hand Feel: Does not affect shade, prevents yellowing or stiffening, and maintains a soft hand feel. 5.Process-Friendly: Low odor and low foaming, suitable for exhaust, jig, and continuous pad-steam processes. | 1. Exhaust Process (Dye Bath / Rinse Bath) Dosage: 1.0 – 3.0 % o.w.f. Process: After thorough rinsing/soaping, add the agent into the bath. Treat at 40–60°C for 15–20 minutes, then drain and dry.
2. Padding Process (Finishing / Pad Mangle) Dosage: 10 – 30 g/L Process: Pad the fabric to 70–80% wet pickup, then dry and cure. | Applicable Fibers Cotton, linen, modal, lyocell (TENCEL邃｢), viscose, and other cellulose fibers. Applicable Dyes Reactive dyes, especially reactive turquoise blue and reactive brilliant blue. |
| Reactive Red Fixing Agent MX-8320 | Appearance: Colorless to light yellow transparent liquid Ionicity: Cationic Solid Content: 60% ± 2% pH (1% aq. sol.): 4.0 – 6.0 Solubility: Easily soluble in cold and hot water | 1. Specialized for Red Shades: Formulated for reactive red, dark red, brilliant red, and other deep red dyes. It provides outstanding fixation without dulling the color or altering the shade. 2. Highly Concentrated & Efficient: Requires a lower dosage than conventional fixatives while delivering a significant improvement in color fastness. 3. Superior Fastness: Significantly enhances wet rubbing, washing, perspiration, seawater, and chlorine fastness. 4. Formaldehyde-Free & Eco-Friendly: Complies with environmental standards. 5. High Solids Product: Can be diluted 1:5 with water for use | 1. Exhaust Process (Dye Bath / Rinse Bath) Dosage: 0.5 – 1.5 % o.w.f. Process: After thorough rinsing/soaping, add the agent into the bath. Treat at 40–60°C for 15–20 minutes, then drain and dry. 2. Padding Process (Finishing / Pad Mangle) Dosage: 5 – 20 g/L Process: Pad the fabric to 70–80% wet pickup, then dry and cure. | Applicable Fibers Cotton, viscose, modal, lyocell (TENCEL邃｢), and cotton-polyester blend fabrics. Applicable Dyes Reactive red, reactive dark red, reactive brilliant red, and other deep red reactive dyes. |
| Cotton Non-Formaldehyde Fixing Agent MX-837 | Appearance:Yellow transparent liquid Ionicity:Cationic pH (1% aq. sol.):4.0 – 6.0 Solubility: Easily soluble in water | 1. High-Performance Fixation: A concentrated, formaldehyde-free cationic polymer designed for after-treatment of reactive and direct dyeing on cellulose fibers. 2. Enhanced Fastness: Significantly improves wet rubbing, washing, perspiration, and seawater fastness. 3. Color & Hand Feel: Does not cause yellowing or shade change, and maintains a soft hand feel. 4. Eco-Friendly: Complies with domestic and international environmental and export standards. 5. High Solids Product: Can be diluted 1:5 with water for use. | 1. Exhaust Process (Dye Bath / Rinse Bath) Dosage: 0.5 – 1.5 % o.w.f. Process: After thorough rinsing (and soaping if needed), add the agent into the bath. Treat at 40–60°C for 15–20 minutes, then drain and dry. 2. Padding Process (Finishing / Pad Mangle) Dosage: 5 – 20 g/L Process: Pad the fabric to 70–80% wet pickup, then dry and cure | Applicable Fibers Cotton, viscose, modal, lyocell (TENCEL™), cotton-polyester blends, linen, and other cellulose fiber fabrics. Applicable Dyes Reactive dyes and direct dyes. |
| Sulfur-Indigo Color Fixing Agent MX-9300 | Appearance: Colorless to light yellow transparent liquid pH: 4.0 – 6.0 Ionic: Cationic Solubility: Soluble in water, stable when diluted and stored. | Provides professional color-fixing performance on denim garments and fabrics dyed with sulfur dyes and indigo, effectively improving wash fastness. Enhances the fastness to wet processing in denim slashing. In overdyeing processes, prevents sulfur dyes from dissolving and bleeding in the indigo dye bath. | (High-concentration product, can be used after dilution.) Denim washing machine Dosage: 2 – 5 g/L | Color fixing treatment for all fabrics dyed with sulfur dyes or indigo, such as denim, workwear fabric, canvas, and home textile fabrics. |
| Denim Ultra Color Fixing MX-9900 | Appearance: Light yellow viscous liquid pH: 4.5 – 6.5 Ionic: Cationic Solubility: Soluble in water, stable when diluted and stored. | Specifically designed for deep color locking of overdyed indigo, sulfur black, and direct dyes. Its color fixation effect far surpasses that of ordinary fixatives, significantly improving the soaking, rubbing, and washing fastness of fabrics. It is environmentally friendly, formaldehyde-free, and does not affect the fabric’s shade. Combined with Meixin’s Bio-Wash Wet Rubbing Enhancer, the effect is even more outstanding. | (High-concentration product, can be used after dilution.) Denim washing machine Dosage: 2 – 5 g/L | Color fixing treatment for various fabrics, including indigo denim, black denim, and stretch denim. |
| Retro Overdye Fixing Agent MX-9160 | Appearance：Yellow viscous liquid Ionic:Cationic pH: 5.0 – 7.0 Solubility: Easily soluble in cold water, stable when diluted and stored. | Designed for fixing fabrics and garments after overdyeing with direct or reactive dyes. Significantly improves wet rubbing, washing, soaping, and perspiration fastness, reducing color bleeding, color migration, and floating color. It does not affect the original indigo shade or the overdye color, leaving a soft hand-feel without yellowing or darkening. | (High-concentration product, can be used after dilution.) Denim washing machine Dosage: 2 – 5 g/L | 100% cotton denim, stretch denim, and cotton blended denim. Indigo base + overdye (e.g., golden yellow, yellow-brown, black, dark brown, red, etc.). Overdyeing with direct dyes or reactive dyes. |
| Polyester/Cotton Denim Fixing Agent MX-9168 | Appearance: Yellow transparent viscous liquid pH : 6.0 – 7.0 Ionic: Cationic Solubility: Soluble in water, stable when diluted and stored. | Formulated as a dual-component system, it simultaneously fixes dyes on both the cotton and polyester components of polyester/cotton denim fabrics. Exhibits excellent soaping and rubbing fastness; color does not bleed when hand-washed with detergent or laundry powder. Effectively prevents indigo bleeding. Environmentally safe, free of formaldehyde, APEO, and heavy metals, complying with environmental standards. | (High-concentration product, can be used after dilution.) Denim washing machine Dosage: 3 – 6 g/L | Polyester/cotton denim, T/C denim, stretch polyester/cotton denim, blended denim fabrics, and garments. |
| High Concentration Eco-Friendly Fixing Paste MX-896G | Appearance: Milky white or light blue emulsion Ionic : Anionic pH : 7.0 – 9.0 Solubility: Miscible with water in any ratio | Enhances the fastness of printed patterns, preventing easy peeling or paste cracking. Improves various wash, rub, and perspiration fastness properties. Convenient and efficient to use; compatible with pigment pastes, thickeners, and crosslinking agents. Eco-friendly and formaldehyde-free, complying with textile safety standards. | (High-concentration product, can be used after dilution.) Denim washing machine Dosage: 3 – 6 g/L | Color fixing of nano-dye overdyeing in denim washing, as well as pigment printing, offset printing, water-based paste |
