Page Contents
- Mixing CMC in Industrial Processing Applications
- Mixing CMC
- What is CMC?
- Common Applications for Carboxymethyl Cellulose include:
- Why Is Carboxymethyl Cellulose Difficult To Mix?
- The Key to Mixing CMC Successfully
- The Mixquip Solution: High Shear Powder Liquid Mixer Technology
- Mixing CMC with the Mixquip Series 620 Powder Liquid Mixer
- How the Series 620 Works to Mix CMC
- POWDER LIQUID MIXER
Mixing CMC in Industrial Processing Applications
Mixing CMC
When it comes to thickening, stabilizing, or improving texture in industrial formulations, Carboxymethyl Cellulose (CMC) is one of the most widely used ingredients. Found across the food, beverage, pharmaceutical, cosmetics, paint, adhesive, and chemical industries, CMC provides exceptional viscosity control and suspension capabilities. However, mixing CMC into liquids can be very challenging. Manufacturers often struggle with long hydration times, lumping of the powder, poor dispersion, and inconsistent product quality, all of which increase production costs and create bottlenecks. Because CMC rapidly hydrates and builds viscosity when added to water, mixing technique is critical to achieving a smooth, lump-free dispersion.
What is CMC?
Carboxymethyl Cellulose is a water-soluble cellulose derivative used primarily for: Thickening, Stabilising emulsions and suspensions, Improving mouthfeel and texture, Binding and film-forming, Controlling viscosity.
Common Applications for Carboxymethyl Cellulose include:
- Dairy products, e.g. ice cream, flavoured milk, yoghurt drinks
- Sauces, dressings, syrups, bakery fillings
- Pharmaceuticals (tablet binding, suspensions)
- Cosmetics and personal care creams
- Detergents and household products
- Paints, coatings, adhesives and sealants
Why Is Carboxymethyl Cellulose Difficult To Mix?
Due to the structural integrity of the of Carboxymethyl Cellulose, CMC presents several challenges when trying to mix into solution.
- Lumping: When CMC powder contacts water, the outer surface hydrates instantly, forming a gel layer that traps dry powder inside. This results in fish-eyes, undispersed agglomerates and a grainy lumpy texture.
- High Viscosity Build: As CMC hydrates, viscosity increases dramatically which can cause the mixer to overload, poor circulation and long processing times.
- Air Entrainment: Traditional mixing methods can incorporate air leading to foaming, incomplete hydration as well as oxidation and spoilage issues in food products.
- Long Mixing Times: With conventional mixing methods, many processors experience batch times exceeding 1–3 hours, the need to have to perform additional filtration steps as well as a high wastage rate and rework to obtain the results that they require.
The Key to Mixing CMC Successfully
To achieve a stable, lump-free dispersion, CMC must be:
Inducted into the liquid quickly
Mixed with high shear energy
Processed with strong circulation
This is why conventional agitators and standard tank mixers often fail as they cannot wet powder fast enough.
The Mixquip Solution: High Shear Powder Liquid Mixer Technology
Mixquip’s Series 620 High Shear Powder Liquid Mixer is engineered specifically for difficult-to-wet powders such as, CMC, Xanthan gum, Guar gum, Pectin, Starches, Protein powders. The technology behind the Mixquip Powder Liquid Mixer uses intense rotor–stator shear forces which achieve:
Instant wetting
Complete dispersion
No lumps or fish-eyes
Faster hydration
Consistent viscosity development
Mixing CMC with the Mixquip Series 620 Powder Liquid Mixer
CMC is one of the most difficult powders to incorporate into liquid due to its instant surface hydration, which traps dry powder inside and forms stubborn lumps. Traditional tank agitation introduces powder onto the surface of the liquid, giving it time to gel before it is properly dispersed the primary cause of fish-eyes and grainy textures.
The Mixquip Series 620 High Shear Powder Induction System overcomes this problem by changing where and how the powder meets the liquid. Here’s how:
How the Series 620 Works to Mix CMC
Instead of dropping CMC into the surface of a tank, the Series 620 draws powder into the liquid stream to create a perfectly hydrated, agglomerate-free mix.
- 1. Creates a controlled vacuum at the rotor-stator inlet
- Powder is drawn directly into a fast-moving liquid stream which means no powder floats on the surface. This eliminates the step of hydration-before-wetting.
- 2. Conveys powder into the high shear zone
- The CMC Powder is instantly combined with the liquid after the hopper is opened, in the high shear work heads where they are instantly combined. The Powder is immediately wetted out eliminating any gel layer formation whatsoever.
- 3. Applies intense rotor-stator shear
- The Mixquip Rotors spin at high speed forcing the mixture through precision machined slots significantly reducing particle size causing agglomerates to be fully broken down meaning they cannot form lumps.
- 4. Recirculates the mixture through the system
- Recirculation ensures every particle is fully dispersed and hydrated. This controlled induction and shear process is the critical difference that allows CMC to disperse fully and uniformly, even at high concentrations.
How Does the Series 620 Powder Liquid Mixer Prevent Clumping and Fish-Eyes?
CMC lumps form when: powder contacts water slowly, the surface then hydrates and a gel membrane traps dry material inside. The Series 620 prevents this through:
Instant wetting where the CMC particles are surrounded by liquid before hydration begins.
High shear breakdown as any partially wetted agglomerates are immediately opened and dispersed
No surface addition as the powder never sits on the liquid surface absorbing moisture gradually
Controlled powder dosing via the hopper as the vacuum induction regulates flow so powder does not flood the system and clump.
Key Technical Advantages for Mixing CMC
The Series 620 offers several performance benefits unique to difficult hydrocolloids like CMC including:
- Powder induction rate is 15 times faster than traditional mixing
- Hydration begins only after uniform wetting, ensuring full activation
- High Shear energy reduces particle size for improved texture and mouthfeel
- Rapid circulation overcomes viscosity build that typically stalls mixers
- Air is not dragged into the batch, preventing foaming and oxidation issues
Faster hydration
Higher viscosity yields
Better product consistency
Reduced rework and filtration
The Best Mixer For CMC
Why is the Series 620 is the Ideal CMC Mixer?
Industries using CMC, including food, beverage, pharmaceuticals, cosmetics, adhesives and coatings have reported dramatic improvements when switching to the Series 620. These include:
Up to 80% reduction in mixing time
Zero lump formation
Reliable viscosity control
Cleaner processing with less mess and waste
Shorter cleaning cycles due to reduced build-up
Ready to change the way you mix CMC today? Make mixing CMC easy and efficient, removing the inconveniences of long hydration times, blocked filters, inconsistent batch quality, mixing equipment stalling as viscosity increases. Experience the powder of performance and results in the Mixquip Series 620 providing a proven, high-efficient solution.
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