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Pretreatment Agents
Product Details

DHK107C is an anionic/nonionic penetrating agent. It has excellent permeability under acidic, neutral and alkaline conditions, especially under the condition of strong alkaline. Suitable for cotton, linen woven fabric scouring process with high alkali, especially suitable for polyester fiber hydrophilic raising technology for leather base cloth.

Key Features and Typical Benefits

◆ Has high alkali resistance in room temperature. Can keep good stability under the condition of NaOH 200g/L.

◆ The treated fabric still has good hydrofilicity even in temperature 220℃. Especially suitable for hydrophilic raising process of polyester leather base cloth .




Physical form



Colorless to yellowish liquid

Solid Content (%)


pH value(1% aqueous solution)


Flash Point(°C)


Density ( 25°C),g/cm3


Ionic Character

Anionic /Nonionic


DHK107C is soluble in water, add water and mix uniformity before use. Can be used in the overflow machine, jigger, cheese dyeing, continuous processing equipment, sand washing machine and other dyeing or printing equipments. Especially suitable for polyester leather base cloth hydrophilic raisingprocess.

1. Cold pad-batch process for cotton: 

Dosage:                                   1.0-5.0g/L

Scouring agent DHK120EA:   2.0-5.0g/L

NaOH:                                     40-70g/L

H2O2(100%):                           10-15 g/L

Hydrogen peroxide stabilizer: 3-6 g/L

Process flow: Padding (30-40°C)→Curing→Piled up for 16-24h→Steaming→Washing.

2. Continuous scouring and steaming process:

Dosage:                                  1.0-5.0g/L

Scouring agent DHK120EA:   1.0-3.0g/L

NaOH:                             40-70g/L

Temperature:                         50-60℃

Pick-up ratio:                       100%

Steaming temperature:             98-102℃

Time:                            40-60min

Process flow: Padding-Steaming-Stacking-Washing.

3. Continuous oxygen bleaching-steaming process for cotton:

Dosage:                               1.0-2.0g/L

Scouring agent DHK120EA:  1.0-1.5g/L

H2O2(100%):                        3-5 g/L

Hydrogen peroxide stabilize: 1.5-3 g/L

pH:                                  10.5

Temperature:                          Ambient temperature

Pick-up ratio:                          50-70%

Steaming temperature:                 98-102℃

Time:                                30-45min

Process flow: Padding-Steaming-Stacking-Washing.

4. Polyester leather base cloth hydrophilic raisingprocess:

Dosage:                   1-3 g/L

Raising agent :          1-3 g/L

Pick-up ratio:                50-70%

Curing:                     220℃

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 Qingdao Hengke.

Package & Storage

Plastic drum net 50kg, 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