Technical Guides
Relia · Manufacturing in China

Wollastonite Selection for Ceramic Formulations

If you buy wollastonite for ceramics, start with batch chemistry and the fired body or glaze you need.

Relia's listed calcium-silicate grades provide oxide and particle information for a shortlist.

Define the requirement→Compare the grade→Review a trial
Batch
Intended ceramic role
Chemistry
Relevant oxide analysis
Fired product
Dimensions and appearance
Wollastonite powder with ceramic samples
Wollastonite powder with ceramic samples
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Relia · factory and material support

Manufacturing Support for This Purchase

Relia manufactures wollastonite calcium-silicate materials in China through its own factories.

Our ceramic wollastonite enquiry should identify the body or glaze and its firing conditions. Share the current mineral, required oxide contribution and appearance limits with Relia. The proposed grade's chemistry and particle specification should remain explicit before comparing its behaviour in your actual batch.

01

Batch

Intended ceramic role

02

Chemistry

Relevant oxide analysis

03

Particles

Shape and distribution

04

Fired product

Dimensions and appearance

ONE APPLICATION · FOUR CONNECTED CHECKS
Use the same requirement and reporting basis for each candidate.
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Material focus

The Ceramic Role

For a ceramic batch, the calcium and silica contribution matters alongside the supplied particle form. Our two wollastonite entries have different listed iron limits. We compare the offered oxide analysis with your formulation before deciding which grade should enter the firing trial.

Your systemBatch

Intended ceramic role

Material focusChemistry

Relevant oxide analysis

AcceptanceFired product

Dimensions and appearance

Connect the material choice with your process and the result you need.
Close view of wollastonite powder
Close view of wollastonite powder
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Grade comparison

Wollastonite Chemistry for Ceramic Formulations

Grade information and how to use it
Review areaListed data and acceptance basisUse in your selection
Wollastonite · 6623The entry lists CaO 41–43%, SiO2 49–51% and Fe2O3 no more than 0.2%. Review each limit separately.Use this item to define the candidate and the evidence needed for your application.
Acicular entry · 6380SiO2 is listed 48–51% with Fe2O3 no more than 1.2%. This is a different impurity window.Keep chemical identity, assay basis and the actual offered grade in the same specification.
Particle optionThe entries span 200–2000 mesh or 800/1250 mesh options. Confirm the actual supplied grading.Use the same particle measurement basis, then review dispersion and the result in your process.
Ceramic roleState body or glaze use, oxide limits, preparation and firing conditions before comparing the material.Use this item to define the candidate and the evidence needed for your application.
Listed figures describe catalogue entries. Agree the actual offered specification and measurement basis.
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Actual catalogue references

Explore the Related Material Grades

Use these listed candidates to start a grade-specific discussion with us.

01
Material candidate
Wollastonite for material formulations
CaO 41–43%; SiO2 49–51%; Fe2O3 ≤0.2%. Keep the offered composition and particle specification together.
02
Material candidate
Acicular wollastonite
SiO2 48–51%; Fe2O3 ≤1.2%. Review the offered analysis and particle morphology for your formulation.
Candidate entries are a starting point; the agreed specification and relevant evaluation support approval.
Browse the related industrial material grades05 / 11
Your trial and acceptance

Firing and Dimensions Together

Run the offered grades in the intended ceramic formulation, with preparation and firing conditions recorded. Review fired dimensions, colour, surface and the other product requirements together. An engineering-plastics reinforcement description does not establish the same grade's ceramic suitability.

Ceramic samples and the material sample
Ceramic samples and the material sample
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TRIAL CHECK 01

Shape alone

Does not establish ceramic suitability.

TRIAL CHECK 02

Polymer claims

Do not replace fired evidence.

TRIAL CHECK 03

Changing chemistry

Needs a relevant review.

Use your current material as the reference and agree the acceptance limits before evaluation.
Manufacturing and grade controls

Separation and Shape-Sensitive Size Reduction

Mineral separation influences associated impurities, and size reduction determines the fraction introduced into the ceramic mix. In this application, oxide contribution and firing behaviour can matter differently from reinforcement aspect ratio. Review both the chemistry and preparation route, then use matched ceramic specimens to evaluate the actual contribution to the fired product.

  1. Identify the source material

    Wollastonite is a calcium-silicate mineral with associated chemistry and impurity considerations.

  2. Separate associated minerals

    Relevant separation stages are intended to control non-target material, with the actual result established by grade analysis.

  3. Reduce and classify

    Size reduction affects length and acicular character as well as the nominal size fraction.

  4. Retain application evidence

    A polymer reinforcement and a ceramic oxide addition need different acceptance measurements.

Chemistry
Keep the actual oxide ranges and impurity limits separately visible.
Morphology
Request length or aspect-ratio evidence where shape is a selection criterion.
Processing
Check the grade in the actual compounding or firing sequence used for the product.
Keep the proposed grade's production route and measured acceptance limits together in the material specification.
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From sample to supply

A Ceramic Purchase Reference

Keep the accepted fired sample and raw-material analysis linked to the grade. We discuss repeat supply from that record. A change in composition, source or firing process can then be assessed against known requirements.

Wollastonite powder with plain sample packaging
Wollastonite powder with plain sample packaging
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Grade information → application evaluation → purchase specification.
Connected guidance

Connect the Next Purchasing Step

REFINE YOUR SELECTION
Kaolin Selection for White Ceramic Bodies and Glazes

If you source kaolin for a white ceramic body or glaze, the firing result matters more than the raw powder colour.

CHECK THE EVIDENCE
Acicular Wollastonite Grades for Polymer Composites

If you need acicular wollastonite for a polymer composite, buy the particle shape as carefully as the chemistry.

PREPARE THE NEXT STEP
Quartz Sand Specifications for Glass Manufacturing

If you buy quartz sand for glassmaking, a high SiO2 figure must be accompanied by the impurity and grading data your glass batch needs.

Continue with the route relevant to your project.
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Work with us

Start with Your Material Brief

Send us the details below to review a concrete grade proposal and the next evaluation step.

Application and process
Batch: Intended ceramic role
Material and grade
Your current grade or one of the relevant product links above.
Important requirements
Chemistry: Relevant oxide analysis; Fired product: Dimensions and appearance
Purchase scope
Trial or order quantity, preferred package and destination.
Share the details you already have; we can clarify the remaining grade and order requirements together.

Qingdao Relia Industries Co., Ltd. · China manufacturing of industrial minerals, chemicals and the listed packaging products.

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Contact the factory team

Speak with Our Materials Team

Qingdao Relia Industries Co., Ltd.

Tell Relia the material, application, required grade, quantity and destination. Include the product link or the key limits you already use, so the next conversation starts with a concrete proposal.

Email

[email protected]Send your material or product link.

WhatsApp

+1 404 203 0971Open a WhatsApp conversation in a new tab.

Phone

+86 18561762631Call to discuss your enquiry.

Qingdao contact address

Shuyuan Road, Qingdao,
Shandong, China
Qingdao contact address for the company.
Choose the contact channel that suits your enquiry.
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Quartz Sand Specifications for Glass Manufacturing
Kaolin Selection for White Ceramic Bodies and Glazes

Wollastonite Powder 200-2000 Mesh, Needle-Shaped Calcium Silicate for Ceramics, Plastics, Rubber and Paint

View details

Acicular Wollastonite Powder, 800 and 1250 Mesh Needle-Shaped Filler for Ceramics, Paint, Rubber and Plastics

View details