Wet Rubbing Fastness Improver HT-825 CAS NO.51852-81-4

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.