High-Quality Mica Powder from China - Leading Suppliers and Factory for Industrial and Cosmetic Applications

Mica powder, a versatile non-metallic mineral material derived from natural mica minerals, is recognized for its outstanding properties including a layered crystal structure, excellent flake morphology, high chemical stability, thermal resistance, electrical insulation, low thermal conductivity, and effective barrier performance. Due to these attributes, mica powder is extensively utilized across various industries, including coatings, paints, plastics, rubber, ceramics, construction materials, cosmetics, friction materials, and insulation materials. As a crucial mineral filler, mica powder not only aids in cost management but also enhances performance. Its natural flake structure significantly improves barrier properties, dimensional stability, crack resistance, heat resilience, and surface smoothness. In coating applications, mica powder helps to extend the moisture and corrosive media penetration paths. When used in plastics and rubber, it enhances stiffness, stability, and processing characteristics. Additionally, in cosmetic and decorative uses, select grades of mica provide a smooth texture and attractive pearlescent effects. WANCHENG MINERAL, a leading factory and supplier in China, offers a diverse range of mica powder products, including muscovite mica powder, dry ground mica powder, wet ground mica powder, sericite mica powder, calcined mica powder, colored mica powder, and customized options. Our different production processes yield varying particle shapes, brightness, purity levels, and surface properties, allowing customers to select the ideal grade based on application requirements such as particle size, whiteness, oil absorption, and aspect ratio. For international industrial buyers, selecting the appropriate mica powder is vital for success. A product suitable for decorative coatings may not perform optimally in engineering plastics, and cosmetic mica grades often demand unique purity, softness, color, and particle size requirements compared to industrial filler grades. WANCHENG MINERAL is dedicated to providing technical support, sample assistance, customized packaging, and dependable bulk supply for customers globally. Choose us as your reliable supplier for high-quality mica powder in China.

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Product Details

Chemical Component	Typical Content	Description
SiO₂	40% - 50%	Main silicate component
Al₂O₃	20% - 38%	Main alumina component
K₂O	6% - 11%	Typical mica alkali component
Fe₂O₃	0.5% - 6%	Varies by mica type and color
MgO	0.5% - 5%	Varies by mica type
CaO	< 2%	Minor component
Na₂O	< 1.5%	Minor alkali component
Loss on Ignition	Varies by grade	Depends on mineral type and processing

Frequently Asked Questions

What are the primary chemical components of mica?

The main chemical components are Silicon Dioxide (SiO₂) ranging from 40% to 50% and Aluminum Oxide (Al₂O₃) between 20% and 38%, which together form the fundamental aluminosilicate framework of mica.

Why does the Fe₂O₃ content vary in mica?

Iron Oxide (Fe₂O₃) levels typically range from 0.5% to 6% and directly influence the optical properties and color of the mineral, varying across different types such as muscovite and phlogopite.

What role does Potassium Oxide (K₂O) play?

Potassium Oxide (K₂O), usually present at 6% to 11%, acts as the interlayer alkali cation that stabilizes the layered crystalline structure of mica minerals.

What does "Loss on Ignition" represent in mica testing?

Loss on Ignition (LOI) measures the release of volatile substances, primarily constitutional water (hydroxyl groups) trapped within the mineral matrix, when heated to elevated temperatures.

Are calcium and sodium significant in this composition?

No, Calcium Oxide (CaO < 2%) and Sodium Oxide (Na₂O < 1.5%) are minor components and natural trace constituents that do not significantly alter the base properties of the mineral.

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