Zibo Hondo Chemical Co., Ltd. is one of the most experienced manufacturers and suppliers of pellet binder cmc in China. Our factory offer high quality products made in China with competitive price. If you have any enquiry about quotation, please feel free to email us.

In the ore pelletizing process, Pellet Binder CMC acts as a binder, which can effectively enhance the strength of the pellets and reduce the risk of cracking during drying and roasting, thereby improving the overall quality of the pellets. Compared with traditional bentonite, CMC uses less and does not introduce impurities, which helps to improve the grade of the finished ore pellets and make the smelting process more efficient.Pellet Binder CMC (mineral processing grade) also helps reduce fines generation during handling and transportation, improving yield and reducing dust-related losses at sintering plants. This makes it a cost-effective solution for modern pelletizing lines seeking both performance and environmental benefits.

Main Applications

1. Iron Ore Pellet Binder

As a flotation chemical CMC, Pellet Binder CMC improves the balling performance of ore powder, increases pellet strength, reduces pellet pulverization, and improves metallurgical properties.In iron ore pelletizing, Sodium Carboxymethyl Cellulose pellet binder forms a strong polymer network between fine ore particles, enhancing adhesion during ball formation. This improves green pellet strength and significantly reduces breakage and dust generation during handling, drying, and transportation. Compared with inorganic binders, pellet binder CMC for iron ore provides better uniformity and controlled porosity, which supports improved reducibility and permeability in blast furnace and direct reduction processes. The result is more stable pellet quality and improved downstream metallurgical performance.
2. Nonferrous Metal Pellet Binder

Sodium CMC could be used for the pelletization of nickel ore, manganese ore, chromium ore, etc., to improve the smelting adaptability of ore powder.For nonferrous metal ores, mining-grade pellet binder CMC improves pellet integrity and size consistency during granulation. By enhancing particle cohesion and reducing segregation, CMC helps create pellets with uniform density and predictable behavior during drying and smelting. Improved pellet quality enhances gas flow and heat transfer in furnaces, increasing smelting stability. Sodium CMC for pelletizing is particularly suitable for fine or low-grade ores, where traditional binders often struggle to provide sufficient green strength without high dosage.
3. Refractory Molding

Pellet Binder CMC improves the bonding force of refractory materials, enhances the strength of the green body, and improves the refractoriness and thermal shock resistance of sintered products.In refractory shaping processes, CMC binder for refractory molding provides strong temporary bonding before firing. It improves green body strength, allowing complex shapes to be formed and handled with minimal cracking. During sintering, the controlled burnout of Sodium Carboxymethyl Cellulose leaves a uniform pore structure that supports thermal shock resistance and dimensional stability. This makes CMC an effective binder for high-performance refractory components used in metallurgical and high-temperature industrial applications.
4. Carbon Material Granulation

Sodium CMC could be used for the granulation of activated carbon, coke, graphite and other materials, improves particle uniformity, and enhances mechanical strength.In carbon material processing, pellet binder CMC improves granule shape, size consistency, and mechanical durability. Its strong binding ability helps fine carbon particles form stable granules that resist abrasion during handling and transport. Uniform granulation also improves downstream processing efficiency, such as packing, loading, or thermal treatment. Sodium CMC for carbon granulation is widely used where clean binding, controlled burnout, and consistent particle quality are required.

Application Solutions & Technical Rationale

Competitive advantage

Case Example

In a pilot with an iron-ore pelletizing plant, optimized CMC dosing (0.35% on feed) improved CRI (cold crushing strength) by ~12% and reduced drying cracks by ~18% over a 60-day test.

Surface binding & film formation

CMC adsorbs on fine particles and forms a flexible polymer film between particles, increasing inter-particle cohesion and green strength.

Low impurity introduction

Unlike bentonite, CMC does not add aluminosilicate impurities, reducing slag volume and improving metallurgical efficiency.

Rheology control

Controlled viscosity grades allow even binder distribution during mixing and balling, ensuring uniform pellet density and reduced pulverization.

Lab tests

CRI/ACI (cold/abrasion indices), drying crack rate, binder retention, element analysis of pellets and trial push-through furnace tests.

Advantage

1.Higher Pellet Strength and Reduced Dust Formation

Hondochem CMC could improve the mechanical strength of pellets, reduce the dust generation, and enhance the pellet grade.Through optimized molecular structure and consistent quality control, Hondochem pellet binder CMC forms strong and uniform binding bridges between particles. This significantly increases green and dry pellet strength while reducing fines generation during screening, transportation, and storage. Lower dust levels not only improve pellet grade and yield but also reduce material loss and environmental impact. For pellet producers, stronger pellets mean higher usable output and more reliable downstream processing.

2.Improved Metallurgical Performance and Smelting Efficiency

Hondochem CMC helps to reduce impurity content, optimize metallurgical properties, and boost ironmaking efficiency.

Unlike traditional mineral binders that introduce additional impurities, Sodium CMC pellet binder is organic and burns out cleanly during firing. This helps maintain higher iron content and reduces unwanted gangue input. Improved pellet porosity and uniform structure support better gas permeability and reduction kinetics, contributing to higher furnace efficiency, more stable operation, and improved metal yield in ironmaking and smelting processes.

3. Superior Performance Compared with Traditional Binders

Hondochem Pellet Binder CMC performs better than traditional binders like bentonite, allowing for reduced binder usage and improved economic benefits.Compared with bentonite, Hondochem mining pellet binder CMC delivers equivalent or higher pellet strength at significantly lower addition levels. Reduced binder dosage lowers transportation costs, minimizes impurity introduction, and improves final product quality. From an economic perspective, lower consumption combined with higher pellet performance translates into reduced cost per ton of pellets and improved profitability for pelletizing plants.

Specification

Spec.	Standard
Appearance	White or yellowish powder/ granular
Moisture	≤10.0%
DS	≥0.80
Purity	Technical or high purity
pH	7.0～10.0
Viscosity (1% or 2% solution)	5-400 mPa·s

Quality Control & Traceability

Raw Material Control

We audit cellulose suppliers and perform incoming tests for moisture, ash, α-cellulose content and fiber consistency. Each batch of raw cellulose is accompanied by supplier COA.

Production Process Control

Etherification parameters (alkalization ratio, temperature profile, reaction time) are logged for each batch; in-line viscosity monitoring and sample DS checks ensure homogeneity across lots.

Finished Product Inspection

Each production lot undergoes viscosity, DS, pH, moisture, particle size and purity testing. Microbial checks are performed where applicable. A COA is generated for every lot.

Pre-shipment & Traceability

Photographic packing records, batch numbers and retained samples (min. 24 months) are maintained. Third-party testing (SGS/Intertek/BV) can be arranged on request to support procurement audits.

Packing & Storage

Storage:

1. Carboxymethyl cellulose should store in a cool, dry, clean, ventilated environment. Temperature Max. 70℃, with relative humidity ≤80%.

Storage:

2. The CMC for pharmaceutical and food grade should not be put together with the toxic substance and harmful substance or substance with peculiar smell during transportation and storage.

Storage:

3. Since the date of production, a preservation period of sodium CMC should not exceed 4 years for the industrial product and 2 years for the CMC in pharmaceutical and food industry.

Storage:

4. The CMC should be prevented from water and package bag damaging during transportation.

Packing:

25kg kraft paper bag with PE inner, or as clients request.

product-2196-1618

Summary

As a flotation chemical, pellet binder CMC is a highly efficient binder widely used in the production of iron ore pellets in the metallurgical industry. It can effectively improve the strength, wear resistance and stability of the pellets, and prevent the pellets from breaking during transportation and high-temperature smelting. As a binder for iron ore pellets, Pellet Binder CMC not only improves the mechanical strength of the pellets, but also improves the stability of the pellets during high-temperature sintering and reduces dust pollution generated during the sintering process. With the increase in global steel demand, iron ore pelletizing technology has gradually become an important part of steel production, and the application of pellet binder CMC has therefore been widely promoted. By using Pellet Binder CMC, the metallurgical industry can improve resource utilization efficiency, reduce smelting costs, and reduce negative impacts on the environment.

FAQ

Q1: Do you provide COA and third-party test reports?
A: Yes - COA is provided with every shipment; third-party testing can be arranged for large orders.

Q2: Typical dosing range for iron ore pelletization?
A: Dosing normally ranges from 0.2% to 0.5% on dry feed depending on ore type and plant operations; bench and pilot trials determine the optimal dose.

Q3: Can Pellet Binder CMC replace bentonite completely?
A: CMC can significantly reduce or replace bentonite in many applications, improving metallurgical outcomes, but the final formulation depends on ore chemistry and process design - we recommend trial verification.

Q4: Lead time & packaging options?
A: Standard lead time is 7–21 days depending on order size and destination. Packaging: 25 kg kraft bags with PE inner, or 1-ton FIBCs for bulk.

Q5: Do you support on-site trials?
A: Yes - application engineers can support pilot tests, dosing optimization and technical troubleshooting.

Hot Tags: pellet binder CMC, China pellet binder CMC manufacturers, suppliers, factory, Sodium Carboxymethyl Cellulose Powder For Mining Auxiliary Agent, mining grade cmc, flotation chemicals CMC, CMC in mineral processing, CMC Mining Grade, Carboxymethyl cellulose for mining