Granular Type Sodium Carboxymethyl Cellulose (CMC)
Overview
Granular Carboxymethyl Cellulose (CMC) is a high-purity, water-soluble cellulose derivative engineered for superior functionality across diverse industries. Derived from renewable plant-based sources, this eco-friendly polymer is chemically modified to replace hydroxyl groups with carboxymethyl groups, enhancing its solubility and anionic properties. The granular form offers distinct advantages in handling, controlled dissolution, and tailored applications compared to powdered variants.
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| Granular CMC na | Granular CMC | Granular Sodium CMC | Granulated CMC |
Key Features
1. Enhanced Solubility & Purity
Granular CMC dissolves rapidly in water, forming viscous solutions ideal for thickening, stabilizing, and binding. Its high purity ensures consistency in industrial processes, meeting food, pharmaceutical, and cosmetic standards.
2. Adjustable Degree of Substitution (DS)
Optimized DS (0.6–1.5) through advanced synthesis techniques (e.g., Response Surface Methodology) ensures tailored performance for specific applications, such as high viscosity or rapid hydration.
3. Thermal Stability & Biocompatibility
Exhibits excellent thermal resistance, making it suitable for high-temperature processes (e.g., ceramic sintering). Its biocompatibility ensures safe use in food, pharmaceuticals, and biomedical applications.
Applications
Food Industry
1. Acts as a thickener, emulsifier, and stabilizer in sauces, dairy products, and baked goods.
2. Improves texture and shelf life without altering flavor.
Mining Industry
In the mining and mineral processing industry, granular carboxymethyl cellulose (CMC) stands out for its unique physical form and chemical properties, significantly enhancing traditional powdered CMC’s performance. It serves as a critical functional material for improving efficiency and reducing environmental impact. Below are its core roles in mining applications:
1. Mineral Flotation: Precision Surface Activity Control
• Selective Inhibition of Gangue Minerals
Granular CMC releases active components gradually through controlled dissolution, enabling precise adsorption on gangue minerals (e.g., serpentine, talc). This alters surface charge and wettability to optimize separation:
• Mg-Silicate Suppression: In nickel ore flotation, granular CMC’s sustained release inhibits serpentine buoyancy, reducing MgO content in concentrates by over 30% and boosting nickel grade.
• Target Mineral Recovery: Prevents hetero-aggregation between pyrite and gangue via electrostatic repulsion, increasing pyrite recovery by >80% at pH <11.
• Controlled Dissolution
Granular form prevents rapid clumping, ensuring uniform dispersion in slurries and avoiding over-suppression from localized high concentrations.
2. Slurry Stabilization: Optimized Rheology & Energy Efficiency
• Effective Dispersion & Anti-Sedimentation
• Horizontal Adsorption: Granular CMC forms horizontal adsorption layers on clay minerals (e.g., montmorillonite), enhancing electrostatic repulsion to prevent slurry stratification or settling.
• Dynamic Viscosity Control: Adjusting granule size (e.g., 0.5–2 mm) tailors dissolution rates to match viscosity requirements across slurry transport stages (e.g., pipelines, agitation tanks), reducing pumping energy consumption.
3. Tailings Management: Enhanced Sustainability
• Tailings Dewatering & Stabilization
As an eco-friendly flocculant, granular CMC accelerates tailings particle aggregation, reduces suspended solids in wastewater, and forms stable gel structures to suppress heavy metal leaching.
• Dust Suppression
Granular form minimizes airborne dust during handling, improving workplace safety and reducing material loss.
4. High-Temperature/Saline Resistance: Extreme Condition Reliability
• Thermal Stability: Maintains molecular integrity in high-temperature slurries (e.g., copper leaching >60°C), preventing viscosity collapse.
• Salt Tolerance: Effectively disperses mineral particles in high-salinity brines (e.g., lithium extraction), avoiding salt-induced performance degradation.
Agriculture
1. Enhances soil structure by increasing porosity and water retention when combined with magnetized irrigation systems.
2. Reduces soil compaction and improves nutrient uptake in crops like jujube, boosting yield by up to 15.98%.
Environmental Remediation
1. Used in hydrogels (e.g., combined with pullulan) for efficient removal of toxic dyes (e.g., malachite green) from wastewater, achieving adsorption capacities up to 1,937 mg/g.
2. Immobilized on bio-sorbents for dye adsorption, with mechanisms involving electrostatic interactions and hydrogen bonding.
Industrial Manufacturing
1. Functions as a binder in ceramic extrusion (e.g., silicon nitride ceramics), improving structural integrity during sintering.
Advantages Over Powdered CMC
• Controlled Dissolution: Granules dissolve gradually, preventing clumping and ensuring uniform dispersion in formulations.
• Ease of Handling: Reduced dust generation enhances workplace safety and simplifies storage.
• Customizable Particle Size: Tailored granule sizes optimize performance in specific processes, such as slow-release soil conditioners or rapid-dissolving food additives.
Technical Specifications
• Appearance: White to off-white granules.
• Moisture Content: ≤10%.
• pH (1% solution): 6.5–8.5.
• Viscosity (1% solution): Adjustable from 50–1,500 mPa·s.
Sustainability
• Biodegradability: Fully decomposes in natural environments, aligning with green chemistry principles.
Granular CMC combines versatility, sustainability, and performance, making it indispensable for industries seeking eco-conscious and high-efficiency solutions.
Granular CMC is a granular type sodium carboxymethyl cellulose product developed for applications that require easier handling, controlled dissolution, and stable dispersion. Compared with powdered CMC, the granular form helps reduce dust generation, prevent rapid clumping, and improve uniform dispersion in formulation systems.
Granular CMC is a water-soluble cellulose derivative. It dissolves in water to form viscous solutions and can provide thickening, stabilizing, binding, dispersion, and rheology control functions. With adjustable degree of substitution, viscosity, and particle size, Granular CMC can be adapted to different processing and application requirements.
Item | Specification |
Appearance | White to off-white granules |
Moisture Content | ≤10% |
pH, 1% solution | 6.5–8.5 |
Viscosity, 1% solution | Adjustable from 50–1,500 mPa·s |
The main advantage of Granular CMC is its physical form. In many production environments, powdered CMC may generate dust, disperse unevenly, or form clumps when added too quickly into water-based systems. Granular CMC helps improve these handling and processing conditions.
Granular CMC dissolves gradually in water, helping prevent rapid clumping and supporting more uniform dispersion. This makes it suitable for systems where dissolution speed and viscosity development need to be controlled during processing.
The granular form reduces dust generation during feeding, mixing, storage, and transportation. This helps improve workplace handling conditions and reduce material loss during use.
Granular CMC can be supplied with tailored particle sizes to meet different process needs. Larger or smaller granules can be selected according to the required dissolution rate, mixing method, and application system.
After dissolving in water, Granular CMC can form viscous solutions and provide thickening, stabilizing, binding, dispersion, and rheology control functions in suitable formulations.
Granular CMC dissolves in water and forms viscous solutions for thickening, stabilizing, and binding applications. Its high purity supports consistent performance in different industrial processes.
The degree of substitution can be adjusted according to specific application needs. Optimized DS helps balance solubility, viscosity, hydration speed, and final product performance.
Granular CMC can be used in applications that require thermal stability, such as ceramic-related industrial manufacturing processes. It can also be adapted for different water-based systems where viscosity and dispersion control are important.
In food industry applications, Granular CMC can be used as a thickener, emulsifier, and stabilizer in sauces, dairy products, and baked goods. It helps improve texture and shelf life without altering flavor.
The granular form is useful when manufacturers want easier handling, reduced dust, and improved dissolution behavior during ingredient addition and mixing.
In mining and mineral processing, Granular CMC can support mineral flotation, slurry stabilization, tailings management, and high-salinity or high-temperature slurry systems.
In flotation, controlled dissolution helps Granular CMC disperse uniformly in slurry systems and avoid localized high concentrations. It can assist in selective inhibition of gangue minerals such as serpentine and talc by affecting surface charge and wettability.
In slurry stabilization, Granular CMC helps improve dispersion and anti-sedimentation performance. Particle size adjustment can be used to match dissolution rate and viscosity requirements in slurry transport stages such as pipelines and agitation tanks.
In tailings management, Granular CMC can function as an eco-friendly flocculant. It helps support tailings particle aggregation, reduce suspended solids in wastewater, and improve handling conditions by reducing airborne dust during use.
In agricultural applications, Granular CMC can help enhance soil structure by improving porosity and water retention. It may be used in systems where soil compaction reduction and nutrient uptake improvement are required.
The granular form supports easier spreading and handling in agricultural formulations where controlled release or gradual hydration is useful.
Granular CMC can be used in environmental remediation-related systems, including hydrogel or biosorbent formulations for wastewater treatment. It supports adsorption-related applications through functional groups that interact with pollutants such as toxic dyes.
Its water solubility, binding behavior, and compatibility with other materials make it useful in formulation systems designed for wastewater treatment and pollutant removal.
In industrial manufacturing, Granular CMC can be used as a binder in ceramic extrusion and other forming processes. It helps improve structural integrity during shaping and processing.
The controlled dissolution and reduced dust properties of granular CMC are especially helpful in production environments where cleaner handling and stable dispersion are required.
Explore how Granular CMC supports controlled dissolution, reduced dust, thickening, binding, stabilization, and dispersion performance in different application systems.
Comparison Item | Granular CMC Advantage |
|---|---|
Dissolution Behavior | Dissolves gradually and helps prevent clumping |
Dispersion | Supports more uniform dispersion in formulations |
Handling | Reduces dust generation during feeding and storage |
Storage | Easier to store and handle than fine powder |
Process Adaptability | Particle size can be customized for different dissolution rates |
Application Fit | Suitable for processes that need controlled hydration and cleaner handling |
Sentai provides customized CMC solutions according to customer requirements. For Granular CMC, customization is especially important when customers need specific particle size, dissolution speed, viscosity development, DS, solubility, thermal stability, or application performance.
For food applications, customization may focus on dissolution behavior, texture improvement, viscosity, and clean handling during ingredient addition. For mining applications, customization may focus on slurry dispersion, flotation inhibition, anti-sedimentation, controlled dissolution, and performance in high-salinity or high-temperature systems. For agriculture and environmental applications, customization may focus on particle size, hydration behavior, water retention, adsorption support, and gradual release performance. For industrial manufacturing, customization may focus on binding strength, dispersion, thermal stability, and process compatibility.
Sentai can adjust CMC specifications based on application needs, including DS, viscosity, particle size, and specialized functions such as enhanced solubility or high-temperature stability. The available customization range includes DS from 0.4 to 1.5, viscosity from 20 to 10,000 mPa·s, and particle size from 10 to 300μm.
Through collaborative development, application testing, process optimization, technical support, and full-process quality control, Sentai helps customers select and customize Granular CMC products according to their production process, mixing method, dissolution requirements, and target product performance.
Granular CMC is granular type sodium carboxymethyl cellulose. It is a water-soluble cellulose derivative designed for easier handling, controlled dissolution, and uniform dispersion compared with powdered CMC.
Granular CMC can be used in food, mining, agriculture, environmental remediation, and industrial manufacturing applications. It provides thickening, stabilizing, binding, dispersion, and rheology control functions in suitable systems.
Compared with powdered CMC, Granular CMC offers controlled dissolution, reduced dust generation, easier handling, and more uniform dispersion. It helps prevent rapid clumping when added into water-based systems.
Yes. Granular CMC dissolves in water and forms viscous solutions. Its granular form allows more controlled dissolution compared with fine powder.
Controlled dissolution helps prevent clumping, improves dispersion uniformity, and supports more stable viscosity development during mixing and processing.
Yes. The granular form helps reduce airborne dust during feeding, mixing, storage, and transportation, improving handling conditions and reducing material loss.
Yes. Granular CMC particle size can be customized according to the required dissolution rate, mixing method, and application system.
Granular CMC is listed as white to off-white granules, with moisture content ≤10%, pH 6.5–8.5 for a 1% solution, and adjustable viscosity from 50 to 1,500 mPa·s for a 1% solution.
Yes. Granular CMC can be used in mining and mineral processing applications, including mineral flotation, slurry stabilization, tailings management, and high-salinity or high-temperature slurry systems.
Yes. Sentai can customize Granular CMC according to customer requirements, including DS, viscosity, particle size, solubility, dissolution rate, thermal stability, and application performance.
Yes. Sentai provides collaborative development, application testing, process optimization, technical support, and full-process quality control to help customers customize Granular CMC products for different application systems.
