
Dry-ground gradeWet-ground grade1250 mesh ultra-fine
Ultra-Fine Sericite Mica Powder
High-Aspect-Ratio Functional Filler for Architectural Coatings, Automotive Primer, Engineering Plastics, and Rubber. Sourced from high-grade natural muscovite/sericite ore in Lingshou. Features exceptional layered lamellar structure, high whiteness, UV barrier, and anti-cracking reinforcement.
Key Technical Highlights
- Grades Available: Dry-ground standard & Wet-ground high-aspect-ratio platelet grades
- Particle Fineness: 400 mesh, 600 mesh, 800 mesh, 1250 mesh (D97 ≤ 10μm)
- Optical & Barrier: Whiteness ≥ 82%–88%, high UV shielding and weather resistance
- Chemical Inertness: Acid and alkali resistant, non-toxic, non-conductive filler
Technical Specifications
| Property | Testing Standard | Specification / Value |
|---|---|---|
| Appearance | Visual | Off-white to white lamellar powder |
| Whiteness | GB/T 5950 | 82.0% – 88.0% |
| Oil Absorption | ISO 787-5 | 25 – 40 g / 100g |
| Specific Gravity | Pycnometer | 2.6 – 2.85 g/cm³ |
Packaging & Shipping
Packaging25 kg multi-wall paper bags with PE inner liner, or 1000 kg FIBC jumbo bags.
LoadingPalletized with heat-treated wooden pallets (ISPM 15 compliant) & shrink wrap.
Shipping ReferenceApprox. 18-20 MT per 20ft container (FCL).