As a leading manufacturer and supplier of specialized chemical additives, we offer high-performance Detergent Grade Carboxymethyl Cellulose (CMC) designed to elevate the cleaning efficiency of household and industrial formulations. This anionic cellulose ether acts as a multifunctional agent, serving primarily as a soil anti-redeposition polymer that ensures fabrics remain bright and clean after multiple washes. Our production process utilizes high-quality cellulose sources, resulting in a product with exceptional cold-water solubility and consistent rheological properties. Whether integrated into heavy-duty laundry powders or delicate liquid detergents, this grade provides the stability and performance required by global detergent manufacturers.
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As a leading manufacturer and supplier of specialized chemical additives, we offer high-performance Detergent Grade Carboxymethyl Cellulose (CMC) designed to elevate the cleaning efficiency of household and industrial formulations. This anionic cellulose ether acts as a multifunctional agent, serving primarily as a soil anti-redeposition polymer that ensures fabrics remain bright and clean after multiple washes. Our production process utilizes high-quality cellulose sources, resulting in a product with exceptional cold-water solubility and consistent rheological properties. Whether integrated into heavy-duty laundry powders or delicate liquid detergents, this grade provides the stability and performance required by global detergent manufacturers.
Detergent Grade CMC is often recognized as the "anti-graying" agent in the laundry industry, playing a critical role in maintaining the aesthetic and structural integrity of textiles. During the washing process, surfactants detach dirt and grease from fabric fibers; however, without an effective stabilizing agent, these particles tend to settle back onto the clothing, leading to a dull, yellowish, or grayish appearance over time. Our CMC functions by creating a negatively charged protective layer on both the fabric surface and the suspended soil particles. This electrostatic repulsion ensures that dirt remains trapped in the wash water and is completely flushed away during the rinse cycle. Beyond its primary anti-redeposition function, this polymer acts as a powerful thickener and stabilizer, preventing the phase separation of liquid detergents and enhancing the overall texture of the formulation. Its unique molecular structure allows for rapid dispersion without clumping, which is essential for automated manufacturing lines and consumer satisfaction. In powder formulations, it contributes to the structural integrity of the detergent granules, reducing dust and improving flowability.
| Property | Specification |
| Appearance | White to cream-colored powder/granules |
| Purity (Dry Basis) | ≥ 55.0% - 90.0% (Customizable) |
| Degree of Substitution (D.S) | 0.50 – 0.90 |
| Viscosity (1% Solution, 25°C) | 10 - 100 mPa.s / 300 - 500 mPa.s |
| pH Value (1% Solution) | 6.5 – 8.5 |
| Moisture Content | ≤ 10.0% |
| Particle Size | Min. 95% pass 80 mesh |
| Solubility | Rapidly soluble in cold and warm water |
The technical superiority of our detergent grade CMC is derived from precise molecular engineering, providing several distinct advantages for modern cleaning products:
Superior Anti-Redeposition Performance: The high degree of substitution ensures a robust ionic charge, effectively preventing soil particles from re-attaching to synthetic and cotton fibers.
Excellent Thickening and Rheology Control: It provides a smooth, honey-like flow to liquid detergents, improving the "hand feel" and pouring characteristics of the finished product.
High Compatibility with Surfactants: Our CMC remains stable and effective in the presence of anionic, non-ionic, and amphoteric surfactants, as well as various builders and enzymes.
Cold Water Instant Solubility: Engineered for modern washing machine cycles, the powder dissolves quickly without leaving residues on clothing or inside the machine.
Environmental Biodegradability: Derived from natural plant cellulose, the product is eco-friendly and breaks down safely in wastewater treatment systems.
Protective Colloidal Action: It stabilizes the suspension of solid ingredients in liquid formulations, preventing sedimentation during long-term storage or transport.
Understanding the science behind CMC is vital for formulators looking to optimize their recipes. The efficacy of our product lies in its ability to modify the interfacial tension between the wash liquor and the fabric.
When dissolved, the Carboxymethyl groups become negatively charged. These ions migrate to the fabric surface, particularly on cotton and cellulose-based fibers, creating a uniform negative potential. Since soil particles in the wash also carry a negative charge (either naturally or through surfactant adsorption), the CMC creates a "like-charge" repulsion that keeps dirt suspended in the liquid medium.
While traditional builders like Zeolites or Phosphates soften the water, our CMC works in synergy with them to manage the total ionic strength of the wash. This prevents the "salting out" effect, ensuring the polymer remains active even in hard water conditions.
By preventing the deep penetration of microscopic grit into the textile weave, CMC reduces the abrasive wear on fibers during the agitation cycle, effectively extending the lifespan of the garments.
Our Detergent Grade CMC is versatile enough to meet the rigorous demands of various cleaning segments, each requiring specific technical characteristics.
In granular detergents, CMC acts as a binder during the atomization or granulation process. It ensures the beads are strong enough to resist crushing during shipping but porous enough to dissolve instantly upon contact with water. It is particularly effective at preventing the "graying" of white loads.
For liquid formulations, the clarity and salt-tolerance of the CMC are paramount. Our high-purity grades ensure the liquid remains transparent and free from "fish-eyes" (undissolved gel lumps), maintaining a premium appearance on the retail shelf.
In high-alkaline environments, such as industrial floor cleaners or commercial laundry systems, our CMC maintains its viscosity and protective properties, even at elevated temperatures and extreme pH levels.
For dishwashing gels and concentrated pastes, CMC provides the necessary yield stress to keep abrasive particles or fragrance beads suspended uniformly throughout the product.
The performance of CMC in a cleaner is not a "one-size-fits-all" scenario. The balance between viscosity and the Degree of Substitution (DS) is the key to formulation success.
Low-viscosity grades are typically preferred for concentrated liquids where high loading is required without making the product too thick to pour. Conversely, high-viscosity grades are ideal for stabilizing thin liquids or creating thick, luxurious cleaning creams.
A higher DS generally correlates with better salt tolerance and higher transparency in solution. For premium detergents used in hard water areas, we recommend a DS closer to 0.9 to ensure maximum performance and solubility.
We offer various mesh sizes, from fine powders that dissolve instantly to granular versions that are easier to handle in dusty factory environments, allowing for seamless integration into your existing production lines.
As a dedicated partner in the chemical supply chain, we focus on consistency, transparency, and technical support to ensure your manufacturing process remains uninterrupted.
We utilize automated reactor controls to ensure that every shipment meets the exact viscosity and DS specifications you require, minimizing the need for you to adjust your formulas between batches.
With extensive experience in international shipping, we provide robust packaging solutions—including moisture-proof valve bags and super sacks—ensuring the product arrives in pristine condition regardless of the destination.
Our laboratory team is available to assist with formulation optimization, helping you determine the ideal dosage and grade of CMC to achieve the best cost-to-performance ratio for your specific market.
Our facilities are certified under international quality management systems. Every batch undergoes rigorous testing for purity, pH, and moisture before a Certificate of Analysis (COA) is issued.
What is the primary benefit of adding CMC to a detergent formulation?
The most significant benefit is soil anti-redeposition. It prevents dirt that has been removed from clothes from settling back onto the fabric during the wash cycle, which prevents white clothes from turning gray or yellow over time.
How does the Degree of Substitution (DS) affect the performance in liquid cleaners?
A higher DS (usually 0.8 to 0.9) improves the solubility and clarity of the CMC in water. It also enhances the product's stability in the presence of high salt concentrations or other chemical additives common in liquid detergents.
Can this CMC be used in cold-water washing cycles?
Yes, our Detergent Grade CMC is specifically processed to ensure rapid hydration and dissolution in cold water, making it ideal for energy-efficient washing machines and modern consumer habits.
Does CMC affect the skin-friendliness of the detergent?
CMC is derived from natural cellulose and is generally considered non-irritating. Its primary role is physical and electrochemical rather than chemical-reactive, making it a safe choice for household cleaning products.
What is the recommended dosage for a standard laundry powder?
While the exact amount depends on the overall formulation, the typical dosage ranges from 0.5% to 2.0% by weight. For premium or professional-grade detergents, a higher concentration may be used to enhance the anti-redeposition effect.
