Cristobalite Flour G325 for Casting and Coatings
White cristobalite flour at G325 mesh with SiO2 above 99.6% for precision casting, exterior and traffic paints, silicone rubber, and specialty ceramics.
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%
G325 CRISTOBALITE FLOUR
Cristobalite Flour G325 for Casting and Coatings
Fine white cristobalite flour produced from calcined quartz and controlled grinding for casting, coatings, silicone compounds and technical ceramic formulations.
Fine Cristobalite Flour with Controlled Reference Data
High-temperature calcination converts the selected quartz feedstock before fine grinding and classification. The approved composition and particle-property tables below are preserved exactly, including blank cells and units.
Applications
Why Use This Grade
- Approved composition and particle-property data are presented without rewriting.
- Multiple reference grades support particle-size selection.
- Application-focused page content is distinct from other cristobalite products.
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: State the required M3000, M4000 or M6000 reference, application and acceptance method.
Material and Processing
Selected quartz is calcined at high temperature, then finely ground, classified, filtered, dried and sieved. Final supply must be confirmed against the chosen grade and batch COA.
Packaging and Supply
- Export packaging is confirmed against the selected grade and order quantity.
- Current COA, particle-size requirement and sample availability can be reviewed before ordering.
Information to Include in Your Inquiry
- Target application and process.
- Required particle size or mesh range.
- Required chemistry or batch-control limits.
- Sample quantity, annual demand and destination port.
FAQ
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Send your application, target particle size and purchase quantity to receive a grade review, current COA and sample plan.
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