Calcined Kaolin
Calcined Kaolin is a thermally processed kaolin clay with enhanced brightness, opacity, and thermal stability. ZE XI MINERAL CO., LTD supplies high-purity calcined kaolin for ceramics, coatings, papermaking, refractory materials, rubber, plastics, and cosmetic applications.
Technical Specifications
Chemical & Physical Properties
| Application | Whiteness (%) | Al₂O₃ (%) | Fe₂O₃ (%) | Particle Size (−2 μm, %) |
|---|---|---|---|---|
| Ceramics (Body) | ≥75 | ≥34 | ≤0.8 | ≥70 |
| Papermaking (Coating) | ≥85 | ≥35 | ≤0.5 | ≥80 |
| High-End Coatings | ≥90 | ≥38 | ≤0.3 | ≥90 |
| Refractory Materials | ≥65 | ≥38 | ≤1.0 | ≥60 |
| Rubber & Plastic Compounds | ≥75 | ≥30 | ≤1.2 | ≥50 |
| Cosmetics | ≥92 | ≥35 | ≤0.1 | ≥95 |
Available Grades
Customized grades available on request:
Ceramic Grade · Paper Coating Grade · High-Gloss Coating Grade ·
Refractory Grade · Rubber / Plastic Grade · Cosmetic / Personal Care Grade
Available Particle Sizes
Aggregates (mm): 0–1 mm · 1–3 mm · 3–5 mm
Powders (mesh):
10–16 · 16–30 · 30–40 · 40–60 · 50–80 · 80–120 ·
180–0 · 200–0 · 325–0
−2 μm content: 50–95%
Tailored PSD available based on customer requirements for ceramics,
coatings, and refractory applications.
Advantages Compared with Hydrous Kaolin
- Higher brightness
- Better opacity and hiding power
- Lower abrasion
- Improved rheology in coatings
- Excellent thermal inertness
Packaging
📦 25 kg paper or woven bags
📦 500–1000 kg jumbo bags
Palletized and shrink-wrapped (optional)
Custom packing available upon request