Name: Wet Rubbing Fastness Improving Agent HT-B5
Brand: HT Fine Chemical Co., Ltd.

Wet Rubbing Fastness Improving Agent HT-B5

Explore more about this textile auxiliary:: The 8 Methods to Improve the Fastness to Wet Rubbing; The Common Defects (Fastness To Wet Rubbing) In The Process Of Flannelette Printing And The Solving; The Approaches And Measures To Improve The Fastness To Wet Rubbing

Brief information

-- 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 B5 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: 3.5±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- 1.5 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 the treated fabric, Dosage as below:
--Dipping (washing only)
HT-B5: 2-4% (O.W.F) (Adjustment base on color)
Bath ratio: 1: 10 – 20
Dyed fabrics (pH ≦ 7) → Dip at 40℃ × 20 – 30 min →Dry

-- Padding:
HT-B5: 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.
-- Only use alone, cannot use for one bath with silicone oil, fixing agent and 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 B5.
-- Please clear away foaming or groove and change the working liquid because it will have a lot of foam when it uses for a long time.
-- Make sure pH ≦5.5 as possible.

Packing and storage
-- Packing: 125 kg/polyethylene drum
-- Storage: Keep it cool and dry, 6 months in the sealed container at room temperature

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