Description
Formaldehyde-Free Textile Color-Fixing Agent
Product Description
This product is a formaldehyde-free, high-efficiency fixing agent designed to improve the wet fastness of fabrics dyed or printed with direct and reactive dyes. It is based on a cationic polymer and delivers excellent fixing performance without affecting fabric shade or light fastness.
Key Features:
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Improves wet fastness and wash fastness, especially under temperatures above 60°C
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Resistant to hard water, acids, alkalis, and salts
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Does not impact light fastness or color tone
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Formaldehyde-free and eco-friendly
Technical Specifications
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Product
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Appearance
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Solid Content (%)
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Viscosity (mPa·s, 25°C)
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pH (1% Solution)
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Colorless to light yellow viscous liquid
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40 ± 0.5
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8000 – 12000
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3.0 – 7.0
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Light yellow viscous transparent liquid
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50 ± 0.5
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2000 – 3000
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7.0 – 10.0
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Light yellow viscous transparent liquid
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60 ± 0.5
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—
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7.0 – 10.0
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Yellow to reddish-brown viscous liquid
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50 ± 0.5
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8000 – 15000
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3.0 – 6.0
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Customized production is available upon request to meet specific customer requirements.
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Recommended Application Method
After dyeing and soaping, treat the fabric with this fixing agent under the following conditions:
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Bath pH: 5.5 – 6.5
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Temperature: 50 – 70°C
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Time: 15 – 20 minutes
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Note: Add the fixing agent before heating, then raise the temperature gradually during treatment.
Suggested Dosage:
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Padding Method: 4 – 10 g/L
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Exhaust Method: 0.2% – 0.7% (based on o.w.f.)
The dosage may vary depending on fabric depth and type. Please perform lab testing to optimize the process.
For post-finishing, this product can be used together with nonionic softeners in the same bath.
Storage & Packaging
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Packaging Options: 25KG, 50KG, 125KG, or 1000KG plastic drums.
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Storage Conditions: Store in a cool, dry place away from direct sunlight.
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Shelf Life: 12 months at room temperature.
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