Detergent Grade HPMC | Hydroxypropyl Methyl Cellulose

For dishwashing detergent applications, we recommend using HPMC-150K. The typical dosage range is usually between 0.5% to 2%.

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However, the specific dosage should be adjusted based on your actual application needs.

If you need formulation guidance or more details on dosage ratios, feel free to contact us to discuss specific formula details.

Cellulose is a hydrophilic polymer. It interacts with detergent through a process known as adsorption. Its nature allows it to attract and bind with water in the detergent solution.

Plus, the hydroxyl groups can form hydrogen bonds with the water and other components of the detergent. This interaction helps stabilize the detergent solution. And may contribute to its effectiveness in removing dirt and stains from surfaces.

The thickeners can increase the viscosity of detergent. For example, cellulose ethers like HPMC and HEC. They are commonly added to the formulas to boost viscosity. They can create a network structure within the liquid detergent.

As a result, offers the required resistance to flow while preserving cleaning efficacy.

Making a Hydroxypropyl Methylcellulose (HPMC) solution involves dissolving the polymer in water. HPMC dissolves best in cold water, so understanding its hydration and gelling properties is key to preparing a smooth solution.

Materials Needed:

1. HPMC powder (desired grade and concentration)

2. Cold water (chilled or at room temperature)

3. Hot water (optional for dispersal)

4. Stirrer or mixer (magnetic stirrer, mechanical stirrer, or manual stirring)

5. Container (clean container suitable for mixing)

Step-by-Step Procedure:

Method 1: Cold Water Dispersion (Standard Method)

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Measure HPMC Powder:

Determine the amount of HPMC required based on the desired concentration. For example, to prepare a 1% solution, use 1 gram of HPMC per 100 mL of water.

Add Cold Water:

In a container, add the required amount of cold water (chilled or at room temperature). Cold water helps prevent immediate gel formation and allows for proper dissolution.

Disperse HPMC:

Slowly sprinkle the HPMC powder into the cold water while stirring constantly. Stirring helps avoid clumping and ensures even dispersion.

Continue stirring for 10-20 minutes. At this stage, the HPMC will begin hydrating but might still appear somewhat clumpy or thick.

Let it Rest (Hydration Period):

Let the mixture sit for about 1–2 hours (or more depending on the grade) to fully hydrate. Over time, the HPMC will completely dissolve, forming a clear or slightly cloudy viscous solution.

Stir Again:

After the hydration period, stir the solution again to ensure complete dispersion and uniform consistency.

Adjust Concentration:

If the solution is too thick, you can add more cold water to dilute it to the desired consistency. Stir until smooth.

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