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-- Original wet rubbing fastness improving agent is poor deep dyeing for direct, reactive，indigo blue and sulfur dyestuffs, especially for dark black, bright red and turquoise blue whose wet rubbing fastness is below Grade 1, while fabric wet rubbing fastness exported to Europe and US must be above Grade 3. Therefore, our company specially developed environment-friendly wet rubbing fastness improving agent 826 that improve the product stability of salt & alkali and reduce the structure insufficient of the product.
Main composition
-- Special water-based polyurethane.
General properties
-- Appearance: light yellow to yellow liquid (darker as time going)
-- Ionicity: weakly cationic
-- pH: 4.0±0.5 (50g/L)
-- Solubility: easily soluble in normal water in any proportion at room temperature
Properties and fields of application
--Free of formaldehyde and APEO that belongs to environmental products and complies with EU
OEKO-TEX Standard 100 requirements.
--Use for fixing after cellulose fiber dyeing .Excellent wet rubbing fastness improving performance that can meet above Grade 3 by improving 1- 2 grades .
--Easy operation for using by direct dilution.
--Soft hand feeling, no influence on light fastness and resistant to washing.
Application
Based on different kind and concentration of dyes, different kind and pattern of treated fabric, Dosage as below:
--Dipping (washing factory only)
HT-826: 3-6% (o.w.f.) (Adjustment base on color)
Bath ratio: 1: 10 – 20
Dyed fabrics (pH ≦ 7) → Dipping (at room temperature × 20 – 30 min)→Dry
-- Padding:
HT-826:30 – 50 g/L
Dyed fabrics (pH ≦7) → One dip & pad with water retention 80 – 85% → Dry
Notice:
-- Prepared solution should be used immediately.Please test before using.The above process is for reference only.
-- Can be used with silicone oil in the same bath, but can not use with anionic agent.
-- The working liquid can achieve the best performance at 25-35℃.
-- Please clean up the alkali (pH ≦7), salt and soaping agent of the fabric before using wet rubbing fastness improving agent 826.
-- Please clear away foaming or groove and change the working liquid because it will have a lot of foam when it use for a long time.
-- Make sure pH ≦5.5 as possible.
-- The water used for working fluid should be tap water and ≤ 100ppm.
Packing and storage
-- Packing: 125 kg/polyethylene drum
-- Storage: Keep it cool and dry, 6 months in sealed container at room temperature
