Phlogopite Mica Powder from China Suppliers - High-Quality Factory Product for Industrial Applications

Phlogopite mica powder is a premium natural mineral sourced from high-quality phlogopite ore in China. Through meticulous processes of crushing, grinding, screening, and classification, we ensure our mica powder meets the highest standards of quality. Known for its distinctive golden, yellow-brown, and bronze hues, phlogopite is a magnesium-rich mica that excels in various industrial applications due to its unique layered crystal structure. As a leading supplier and factory of phlogopite mica powder, we take pride in offering a product with excellent heat resistance, electrical insulation, flexibility, and chemical stability. Compared to muscovite mica, phlogopite showcases superior thermal stability, making it an ideal choice for high-temperature applications. It is perfect for use in heat-resistant coatings, welding electrodes, insulation boards, refractory materials, rubber products, plastics, and composite materials. The natural flake structure enhances barrier properties, dimensional stability, surface smoothness, and mechanical reinforcement. At WANCHENG MINERAL, we provide our global industrial customers with consistently high-quality phlogopite mica powder, available in various mesh sizes to meet specific requirements. Whether you need it as a functional mineral filler, reinforcing material, insulating additive, or decorative mineral component, we ensure reliable particle size control and professional export service. For B2B buyers in search of the right phlogopite mica powder, considerations extend beyond price to include particle size, color, purity, moisture content, heat resistance, and compatibility with resin or coating systems. Our factory is dedicated to consistent production and practical application support, helping customers select the most suitable mica grades for their formulations. Choose WANCHENG MINERAL, your trusted China supplier for high-quality phlogopite mica powder.

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Product Details

⚗ Chemical Composition Specifications

Chemical Component	Typical Content	Description
SiO₂	38% - 45%	Main silicate component
MgO	18% - 29%	Key magnesium component of phlogopite
Al₂O₃	10% - 17%	Aluminosilicate component
K₂O	7% - 11%	Typical mica alkali component
Fe₂O₃	1% - 8%	Affects color and mineral characteristics
F	0.5% - 3%	May vary by ore source
CaO	≤ 2%	Minor component
Na₂O	≤ 1.5%	Minor alkali component
Loss on Ignition	2% - 5%	Reference value, batch dependent

❓ Frequently Asked Questions (FAQ)

What are the primary chemical components of phlogopite mica?

Phlogopite is primarily a hydrous magnesium potassium aluminum silicate. The major constituents are Silicon Dioxide (SiO₂: 38% - 45%), Magnesium Oxide (MgO: 18% - 29%), and Aluminum Oxide (Al₂O₃: 10% - 17%).

Why is the MgO content critical in phlogopite mica?

Magnesium Oxide (MgO) is the defining element of phlogopite (magnesium mica), providing it with superior thermal stability, high electrical resistance, and resistance to high temperatures compared to other mica varieties.

How does Fe2O3 content affect the characteristics of the mineral?

Iron Oxide (Fe₂O₃), typically ranging from 1% to 8%, directly influences the mineral's coloration (varying from amber and golden brown to dark brown) and determines its electrical and thermal insulation efficiency.

What does the Loss on Ignition (LOI) value indicate?

Loss on Ignition (2% - 5%) reflects the release of structurally bound volatile matter and moisture when heated to high temperatures. It serves as an essential quality control and consistency reference across production batches.

Why do Fluorine (F) and minor oxide contents vary?

Trace and minor components such as Fluorine (0.5% - 3%), CaO (≤2%), and Na₂O (≤1.5%) fluctuate based on the specific geological deposit and natural extraction source of the ore.

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