HT Fine Chemical Co., Ltd.
Polyester Repairing Agent

Polyester Repairing Agent

Helps dyestuffs migrate from high concentration to low concentration or liquor at high temperature and pressure, which is suitable for repairing, leveling and stripping of polyester with disperse dyestuffs.

[Main composition]
Compound of special polyether surfactants and solvents.

[General properties of repairing agent]

Appearance: pale transparent liquid
Ionicity: anionic/nonionic
Solubility: easily soluble in water

[Product features]

1. Strong migration to disperse dyestuffs without shade change after brewing dyeing flaws.
2. Excellent dispersibility, leveling and wetting.
3. Suitable for brewing and stripping of polyester.


1. Shades repairing
HT-G: 0.5-1.5 g/L
Bath ratio: 1: 10-20
Temperature & time: 125-130℃ × 20-40 min

2. Stripping
HT-G: 1-3 g/L
Sodium hydrosulfite: 3-5 g/L
NaOH: 3-8 g/L
Bath ratio: 1: 10 -20
Temperature & time: 125-130℃ × 20-40 min

3. Leveling
Disperse dyestuff: X%
HT-G: 0.5-1.0 g/L
pH: 5
Bath ratio: 1: 20
Temperature & time: 125-130℃ × 20 -40 min
Specific process should be adjusted by testing.

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