Executive Summary

A ceramic body binder is an additive used to improve the green strength of unfired ceramic bodies before drying and sintering. In ceramic production, the right binder can reduce breakage, improve handling, and help control defects related to slurry rheology, drying, and burnout.

This guide explains what a ceramic body binder does, when it is needed, what problems can result from an unsuitable binder, and what manufacturers should evaluate when selecting one. It also introduces Goway FG-ZM01, a binder designed for ceramic body systems that require higher dry strength without the viscosity-related problems often associated with conventional binders.

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What Is a Ceramic Body Binder?

A ceramic body binder is a temporary binding additive used in ceramic body formulations to increase the mechanical strength of the unfired body, often called green strength. It helps ceramic particles remain bonded after shaping and before firing, so the body can better withstand handling, drying, stacking, transport, and in some cases light machining.

Ceramic body binders are commonly used in processes such as:

• pressing

• casting

• spray drying

• extrusion

• sanitaryware forming

• tile and porcelain body production

Depending on the formulation and production method, a binder may be added to improve body integrity, reduce breakage, support granule formation, or stabilize processing performance.

A suitable binder should do more than simply increase dry strength. In practice, it should also fit the manufacturing system. That means it should work with slurry rheology, drying conditions, raw material composition, and firing parameters without introducing new production problems.

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Why Ceramic Body Binders Matter in Production

In many ceramic plants, binder performance affects far more than green strength alone. A binder can influence:

• body strength after drying

• resistance to edge damage and chipping

• lamination and internal cracking risk

• slurry flow behavior

• de-airing efficiency

• spray-dried powder quality

• drying consistency

• defect formation during burnout and firing

When the binder is poorly matched to the ceramic system, manufacturers may face unstable processing, lower yield, and higher production costs. When the binder is well matched, it can support smoother production, more consistent body quality, and better overall process control.

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Common Problems Linked to Unsuitable Binders

Not every ceramic body binder performs well in every formulation. In practice, some conventional binders create trade-offs that reduce overall process efficiency.

1. Excessive Slurry Viscosity

Some binders increase viscosity too much, making pumping, mixing, de-airing, casting, or spray drying more difficult.

2. Strong Thixotropy or Poor Rheology Control

A slurry may appear workable during mixing but become unstable during storage, transport, or continuous production, leading to inconsistent forming behavior.

3. Low Green Strength

If the binder does not provide enough bonding between particles, unfired bodies may crack, chip, or break during downstream handling.

4. Lamination or Internal Structural Defects

Poor binder distribution or binder-related process instability can contribute to laminations, weak layers, and strength loss in the body.

5. Drying-Related Defects

Uneven bonding and moisture distribution can increase the risk of drying cracks, edge weakness, and non-uniform shrinkage.

6. Burnout-Related Defect Risk

Some binder systems may increase the risk of black core, residue, or internal defects if the organic phase is not well matched to the body and firing process.

For this reason, binder selection should be based on total process performance, not only on addition level or dry strength data.

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Organic vs. Inorganic Ceramic Body Binders

Ceramic body binders are often described as either organic or inorganic, although actual commercial systems may be more complex.

Organic Binders

Organic binders are widely used because they can provide good temporary strength and process flexibility. However, they must be compatible with burnout conditions and should not create excessive viscosity or residue.

Inorganic Binders

Inorganic systems may offer benefits in certain formulations, but their effect on firing behavior, body chemistry, and final properties must be carefully evaluated.

In real plant conditions, the best choice depends on:

• forming method

• body composition

• moisture system

• target strength

• drying and firing profile

• defect history

• cost and handling requirements

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How to Choose a Ceramic Body Binder

A good ceramic body binder should be selected based on production needs, not only on product description. Manufacturers should evaluate at least the following factors:

1. Green Strength Requirement

How much dry or green strength is needed for handling, stacking, trimming, machining, or transport?

2. Impact on Slurry Rheology

Will the binder significantly increase viscosity or thixotropy? Can the slurry still de-air efficiently and remain stable during production?

3. Compatibility with Deflocculants and Raw Materials

The binder should work with the existing formulation instead of forcing major changes to the body system.

4. Drying and Burnout Behavior

It should support uniform drying and clean burnout under plant firing conditions.

5. Process Fit

A binder should be suitable for the actual production route, whether that is tile pressing, spray drying, sanitaryware body preparation, or another ceramic process.

6. Defect-Control Performance

The right binder should help reduce practical production defects, not just improve one isolated lab value.

7. Operational and Environmental Considerations

Dust, odor, storage stability, handling safety, and workshop cleanliness also matter in day-to-day production.

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What Manufacturers Often Want from a Modern Binder

In current ceramic manufacturing, many producers are looking for binder systems that can do several things at once:

• increase green or dry body strength

• avoid excessive slurry thickening

• improve process stability

• reduce body breakage and edge damage

• support spray-dried powder quality

• fit cleaner and safer production environments

• work reliably in bodies with challenging raw material compositions

This is especially important in large-format tile, quartz porcelain, sanitaryware, and other ceramic systems where mechanical handling and process consistency strongly affect yield.

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Goway FG-ZM01: A Ceramic Body Binder Designed for Strength Without Excessive Viscosity

FG-ZM01 Ceramic Body Binder is developed for applications where manufacturers need higher body strength while maintaining workable slurry behavior.

It is a high-efficiency cluster-based organic polymer copolymer material designed to address common issues associated with traditional binders, especially in ceramic body systems that are sensitive to rheology changes.

Rather than functioning only as a conventional thickening binder, FG-ZM01 is intended for formulations where manufacturers need a combination of:

• strength improvement

• stable slurry processing

• lower breakage risk

• flexible use in production

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Key Functional Features of FG-ZM01

Low Impact on Slurry Viscosity

FG-ZM01 is designed to dissolve in water without causing the significant viscosity increase often seen with some conventional binder systems. In ceramic production, this is important because strength gains are less useful if the slurry becomes difficult to pump, de-air, or granulate.

Improved Dry Body Strength

At a typical addition level of about 0.15% to 0.30%, FG-ZM01 is designed to improve dry ceramic body strength, helping reduce breakage, chipping, and handling damage in suitable body systems.

Support for Process Efficiency

By improving body performance without heavily disrupting slurry flow, FG-ZM01 may help support:

• smoother casting or mixing behavior

• better spray-drying efficiency

• improved powder granulation

• lower rates of weak or hollow granules

Greater Flexibility in Use

FG-ZM01 can be added during ball milling or later in the mixing stage, giving plants more flexibility in process integration.

Stability During Storage

The treated slurry is designed to maintain usable performance during storage, which is important for production continuity and batch consistency.

Cleaner Working Conditions

FG-ZM01 is positioned as a binder option for manufacturers seeking a cleaner workshop environment, with reduced dust and less unpleasant odor during use.

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Typical Application Areas

FG-ZM01 is suitable for ceramic body systems such as:

• floor tiles

• large-format polished tiles

• quartz porcelain

• sanitaryware

• daily-use ceramics

• ceramic bodies with a relatively high proportion of lean or barren raw materials

As with any binder, plant testing is recommended because final performance depends on the full formulation and process conditions.

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Technical Information

Appearance: Yellow or brown powder or granules
Melting Point: 300°C
Specific Gravity: 0.5 to 0.6 g/cm³
Solubility: Easily soluble in water, forming a light yellow-green transparent solution
Recommended Use Method: Add together with other raw materials during the ball-milling process

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How to Evaluate a Binder in Your Own Ceramic Body System

Before adopting any ceramic body binder across full production, manufacturers should run a controlled comparison under actual plant conditions.

A practical evaluation should include:

1. Keep the Base Formula Constant

Do not change multiple variables at once. Compare the candidate binder against the current system under the same raw material and process conditions.

2. Check Slurry Performance

Measure viscosity, fluidity, thixotropy, and de-airing behavior.

3. Measure Green and Dry Strength

Look at breakage resistance, edge integrity, and handling performance after forming and drying.

4. Observe Powder and Granule Quality

If spray drying is involved, check particle size distribution, granule roundness, and hollow granule rate.

5. Monitor Defects

Track laminations, cracks, white edges, uneven drying, density issues, and firing-related defects.

6. Review Production Efficiency

Consider whether the binder improves not only quality but also throughput, yield, and energy use.

This kind of evaluation provides a more reliable basis for selection than judging a binder only by brochure claims or dosage level.

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Frequently Asked Questions

What does a ceramic body binder do?

A ceramic body binder is used to improve the green strength of unfired ceramic bodies before drying and sintering. It helps ceramic particles stay bonded during forming, handling, transport, and other pre-firing steps, reducing the risk of breakage and edge damage.

Does a ceramic body binder always increase slurry viscosity?

Not always. Some binders can significantly increase slurry viscosity or thixotropy, which may make pumping, de-airing, casting, or spray drying more difficult. Others are designed to improve body strength with less impact on slurry flow and processing stability.

Can a ceramic body binder help reduce ceramic defects?

Yes. A properly selected ceramic body binder can help reduce common problems such as low body strength, chipping, lamination, uneven drying, and handling-related breakage. Actual results depend on the body formulation, process conditions, and firing system.

How do I choose the right ceramic body binder?

Manufacturers should evaluate several factors, including green strength, slurry rheology, compatibility with raw materials and deflocculants, drying behavior, burnout performance, and the binder’s effect on production defects. The best choice is usually the one that improves total process performance, not just one lab result.

What types of ceramics use body binders?

Ceramic body binders are commonly used in floor tiles, polished tiles, quartz porcelain, sanitaryware, daily-use ceramics, and other ceramic body systems that require higher green strength and better process stability before firing.

How should a new ceramic body binder be tested?

A new binder should be tested under controlled production or pilot conditions. Manufacturers should compare slurry flow, de-airing behavior, dry strength, granule quality, drying performance, defect rate, and overall production efficiency against the current binder system before full-scale adoption.

How does FG-ZM01 help improve strength without excessive viscosity?

FG-ZM01 is designed for ceramic body systems that need stronger dry or green bodies without the heavy viscosity increase often associated with conventional binders. In suitable formulations, it can help improve handling strength, reduce breakage risk, and maintain workable slurry behavior for more stable production.

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Conclusion

A ceramic body binder is not just a strength additive. It is a process-critical material that can affect rheology, drying, granulation, handling performance, and defect control across the ceramic production line.

For manufacturers choosing a binder, the key question is not simply whether a product increases strength, but whether it improves the total balance of strength, flow behavior, defect control, and production efficiency.

Goway FG-ZM01 is designed for ceramic body systems that need stronger green or dry bodies without the heavy viscosity penalty often associated with conventional binders. For plants facing issues such as low body strength, breakage, slurry instability, or binder-related defects, it may be a useful option for comparative testing.

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Contact Goway International Material Co., Ltd

Phone / WeChat: +86-757-88037132 / +86 13728575572
Email: info6@goway-china.com
Website: https://en.goway-china.com/products_detail/12.html