High-Whiteness Cristobalite Powder for Epoxy and Refractory Applications
High-whiteness cristobalite powder processed from selected white natural quartz through high-temperature calcination, fine grinding, filtration, drying and sieving for epoxy compounds, casting, engineering plastics, silicone rubber, precision ceramics and paint formulations.
Specifications
- Mesh Size
- 200mesh,325mesh,M400,M600,M3000,M4000,M6000
- Particle Size
- 3-5mm,1-3mm,1-0.5mm,0.5-0.2mm,0.1-0.2mm,0.1-0mm(120mesh),0.075mm(200mesh)
- SiO₂ Content
- 99.3-99.7%
- Fe₂O₃
- <0.015%
- Specific Gravity
- 2.30 g/cm³
- Whiteness
- 90-98
- Moh's hardness
- 6.5
- Conversion-related parameter
- 80-95%
High-Whiteness Cristobalite Powder
High-Whiteness Cristobalite Powder for Epoxy and Refractory Applications
Produced from selected white natural quartz through manual selection, water disposal, high-temperature calcination, fine grinding, filtration, drying and sieving, this cristobalite powder combines a white appearance, stable physical and chemical properties and controllable particle-size options for epoxy compounds, casting, engineering plastics, silicone rubber, precision ceramics and paint formulations.
High-Whiteness Cristobalite Powder for High-Temperature Formulations
High-whiteness cristobalite powder is selected when a formulation requires a white mineral filler with stable physical and chemical properties and a controllable particle-size distribution. The material is processed from white natural quartz and shaped through calcination, fine grinding, filtration, drying and sieving for use in industrial formulation and ceramic processing routes.
Applications for High-Whiteness Cristobalite Powder
Electronic Epoxy Compounds
Used as a mineral material in epoxy potting compounds and epoxy molding compounds for electronic and electrical applications.
Casting Materials
Suitable for casting formulations that require a white, processed silica-based material with selectable particle-size options.
Engineering Plastics and Silicone Rubber
Applied in engineering-plastic and silicone-rubber formulations where stable material properties and controlled sizing support formulation development.
Precision Ceramics and Paints
Used in precision ceramic processing and paint formulations where a white mineral component and controlled particle-size distribution are required.
Why Use High-Whiteness Cristobalite Powder?
- White natural quartz is used as the starting material for a clean and consistent appearance.
- High-temperature calcination is included in the production route before fine grinding and classification.
- Stable physical and chemical properties support repeatable formulation development.
- Particle-size options are controlled through grinding, filtration, drying and sieving.
- The material can be evaluated for epoxy, casting, plastics, silicone rubber, ceramics and paint applications.
Cristobalite Product Properties and Particle Size Options
Chemical Composition Analysis (XRF)%
| ITEM | M3000 / M4000 / M6000 |
|---|---|
| SiO₂ | 99.5 |
| Fe₂O₃ | 0.03 |
| Al₂O₃ | 0.20 |
| TiO₂ | 0.02 |
| K₂O | 0.05 |
| CaO | 0.01 |
Particle Size and Physical Property
| Property | M3000 | M4000 | M6000 | Unit | Method |
|---|---|---|---|---|---|
| Molecular sieve ≥40 μm | ≤1 | ≤0.04 | ≤0.02 | % | Alpine. |
| D50 | 12 | 5 | 3 | μm | Malvern Laser diffr |
| ≥40 μm | 6 | % | |||
| ≥30 μm | 18 | 1 | % | ||
| ≥20 μm | 32 | 3 | % | ||
| ≥15 μm | 43 | 8 | 1 | % | |
| ≥10 μm | 50 | 22 | 3 | % | |
| ≥5 μm | 71 | 49 | 24 | % | |
| ≥2 μm | 84 | 77 | 67 | % | |
| ≥1 μm | 95 | 92 | 89 | % | |
| Density | 2.35 | 2.35 | 2.35 | Kg/dm3 | |
| Volume Density | 0.7 | 0.46 | 0.42 | Kg/dm3 | |
| Oil Absorption | 27 | 27 | 28 | g/100g | |
| pH | 7.3 | 9 | 7.3 | ||
| Moisture | 0.15 | 0.15 | 0.15 | % | |
| L.O.T | ≤0.01 | ≤0.01 | ≤0.01 | % |
Order specification: Please confirm the required grade, particle-size distribution, intended epoxy or refractory application and packing format when requesting a quotation.
How Cristobalite Powder Is Produced
The production route begins with manual selection of white natural quartz. The selected material is processed through exterior water disposal, high-temperature calcination, fine grinding, filtration, drying and sieving. These steps prepare a white cristobalite powder with stable physical and chemical properties and controllable particle-size distribution for different formulation requirements.
Packaging and Supply for Cristobalite Powder
- Standard packing: 25 kg bags, followed by 1000 kg bags where required.
- Container loading reference: 20–25 MT per 20-foot container.
- Custom packing can be discussed according to the buyer’s handling and delivery requirements.
- The source material describes the product as ordinary non-dangerous goods for delivery purposes.
Request Information for Cristobalite Powder
- Tell us the application: epoxy compound, casting, engineering plastic, silicone rubber, precision ceramic or paint.
- Confirm the target mesh size or particle-size range from the available options.
- Share the required packing format, estimated quantity and destination port.
- Request a sample or quotation so the suitable specification can be reviewed for your formulation.
Cristobalite Powder FAQ
It is produced from selected white natural quartz through calcination, fine grinding, filtration, drying and sieving.
The source lists epoxy potting and molding compounds, casting, engineering plastics, silicone rubber, precision ceramics and painting applications.
The current Cristobalite specification includes 3-5mm, 1-3mm, 1-0.5mm, 0.5-0.2mm, 0.1-0.2mm, 0.1-0mm(120mesh), 0.075mm(200mesh), plus the listed mesh-size options.
Send the application, target particle size, packing format, estimated quantity and destination so the suitable option can be reviewed.
Request a Quote
Tell us your application, particle-size requirement, packing preference and estimated quantity. Our team can review the suitable cristobalite powder option with you.
Request a Quote
