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

Phlogopite mica powder is a premium natural mineral powder sourced from high-quality phlogopite ore in China. This magnesium-rich mica is known for its distinctive golden, yellow-brown, bronze, or brownish hues. Manufactured through a meticulous process of crushing, grinding, screening, classification, and quality inspection, our phlogopite mica powder offers outstanding heat resistance, electrical insulation, flexibility, chemical stability, and reinforcement properties, making it a preferred choice for diverse industrial applications. Compared to muscovite mica, phlogopite excels in high-temperature resistance, making it ideal for thermal stability applications. It retains excellent physical properties even at elevated temperatures, suitable for use in heat-resistant coatings, welding electrodes, insulation boards, refractory materials, rubber products, plastics, and composite materials. The natural flake structure of phlogopite further enhances barrier properties, dimensional stability, surface smoothness, and mechanical reinforcement. As a leading supplier and factory of phlogopite mica powder in China, WANCHENG MINERAL is committed to delivering consistent quality and reliable particle size control for our global industrial customers. Our phlogopite mica is available in various mesh sizes to meet specific requirements and is utilized as a functional mineral filler, reinforcing material, insulating additive, heat-resistant filler, and decorative mineral component. For B2B buyers, selecting the right phlogopite mica powder extends beyond mere pricing. Key factors such as particle size, color, purity, moisture content, heat resistance, compatibility with resin or coating systems, packaging, and export stability should all be considered. At WANCHENG MINERAL, we prioritize consistent production and provide practical application support to ensure our customers find the ideal mica grades for their formulations.

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Product Details

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

Q What is the primary chemical component of phlogopite mica?

The primary component is Silicon Dioxide (SiO₂), which typically ranges between 38% and 45%, forming the main silicate backbone of the mineral structure.

Q Why is Magnesium Oxide (MgO) significant in phlogopite?

Magnesium Oxide (MgO), present at 18% to 29%, is the defining chemical signature of phlogopite mica (also known as magnesium mica), distinguishing it from muscovite and granting it superior thermal resistance.

Q How does Iron Oxide (Fe₂O₃) content affect the mineral?

Iron Oxide (Fe₂O₃) content typically ranges from 1% to 8% and directly influences the mineral's coloration (ranging from amber to dark brown) as well as its electrical and thermal characteristics.

Q What causes variations in Fluorine (F) content?

Fluorine (F) content ranges from 0.5% to 3% and varies primarily based on the specific geological ore source and formation conditions of the deposit.

Q What does the Loss on Ignition (LOI) value represent?

The Loss on Ignition value (2% - 5%) measures the release of volatile substances (primarily structural moisture and hydroxyl groups) when exposed to elevated temperatures, serving as a batch-dependent reference for thermal stability.

Q What are the minor components found in this chemical composition?

Minor components include Calcium Oxide (CaO ≤ 2%) and Sodium Oxide (Na₂O ≤ 1.5%), which act as secondary constituents within the crystal matrix.

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