Strong research and development and production capacity in textile auxiliaries, polyurethane waterproofing additives and other materials.

Pretreatment Agents
Product Details

DHK119H is a special compound of surfactants. Has excellent dispersing and emulsifying properties. Suitable for oil removing process on textiles.

Key Features and Typical Benefits

◆ Can fully emulsify, disperse and remove the oil in neutral or weak acidic condition. Suitable for the scouring and dyeing one bath for polyester with Little impact on color.

◆ Can effectively remove the oil on fabric which is not alkali-resistant(such as silk, wool, tinsel fabric) under 70-80℃, no damage to fabrics.

◆ Excellent scouring and oil removing property in one bath for cotton and its blends under alkaline condition.




Physical form



Colorless transparent liquid

Solid content (%)


pH value(1% aqueous solution)


Ionic Character



DHK119H is soluble in water, can be used directly after dilution with water. Suitable for over flow dyeing machine, jigger dyeing, cheese dyeing and other dyeing or printing equipments.

1. Souring and dyeing one bath for polyester knitted fabric:   

Dosage:              0.5-1.0g/L

Leveling agent:        0.7-1.0 g/L

HAC:                  0.4-0.6ml/L

Disperse dyes:            X

Ratio:                  1:10

Temperature:           130℃

Time:                  30-60min

2. Scouring and de-oiling process for cotton knitted and its blends:   

Dosage:        0.5-2.0g/L

NaOH:            2.0g/L

H2O2(27.5%):      5.0g/L

Ratio:           1:10

Temperature:    95-98℃

Time:          40-60min

3. Low temperature de-oiling process for decorative cloth:

Dosage:         0.5-1.0g/L;

Temperature:      70-80℃

Time:             30-60min

Note: Detailed process should be adjusted according to preliminary tries.

Operating and safety instructions

1. Suggest weighing and diluting separately when preparing the solution.

2. Strongly recommend using soft water in dilution, if soft water is not available, the stability needs to be tested before making the solution.

3. After dilution, it should not be stored for a long time.

4. To ensure the safety, you should review our Material Safety Data Sheets before using this product under special conditions. MSDS is available from us. Before handling any other products mentioned in the text, you should obtain available product safety information and take necessary steps to ensure safety of use.

Package & Storage

Plastic drum net 120kg, it can be stored for 12 months under room temperature and hermetic condition without exposure to sunlight.

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Qingdao Hengke Fine Chemicals Co.,Ltd