1–8 mm flakes10–60 meshDHL/FedEx samples
High-Purity Calcined Mica Flakes
Flaky Muscovite/Phlogopite Mica for High-Temperature Electrical Insulation & Fire Barriers. High-purity calcined mica flakes in 1–8 mm particle size (10–60 mesh) with continuous heat resistance up to 1000°C. The ideal raw substrate for fire-resistant mica tape, heating-element backing plates and high-temperature gaskets.
Key Technical Highlights
- Particle Size: 1–8 mm flakes | 10–60 mesh
- Continuous Heat Resistance: 1000°C
- Flake Morphology: Flexible, splittable golden/silver muscovite lamellae
- Logistics Advantage: Mixed container consolidation; 7–10 days dispatch to Tianjin Port
Available Flake Grades
| Flake Size | Mesh Range | Typical Applications |
|---|---|---|
| 4–8 mm | 10–20 mesh | Fire-resistant mica tape, heating-element substrates |
| 2–4 mm | 20–40 mesh | Mica paper production, thermal gaskets |
| 1–2 mm | 40–60 mesh | High-temperature insulation boards, composite fillers |
Technical Data Sheet (TDS)
| Specification Parameter | Typical Value |
|---|---|
| Calcination Temperature | > 850 – 1000 °C |
| Continuous Heat Resistance | ≥ 1000 °C |
| Loss on Ignition (LOI) | ≤ 0.5% |
| Flake Size | 1 – 8 mm (10 – 60 mesh) |
| SiO2 Content | 43% – 47% |
| Al2O3 Content | 31% – 35% |
| K2O Content | 8% – 11% |
| Fe2O3 Content | ≤ 2.0% (low-iron ≤ 0.5%) |
Key Industrial Applications
- Fire-Resistant Cable Tape: Flake substrate for refractory mica tape used in IEC 60331 fire-rated cables.
- Heating-Element Substrates: High-temperature backing plates for resistance heating elements.
- Thermal Gaskets & Insulation: Splittable flakes for furnace linings and industrial thermal barriers.
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).