China Sericite Mica Powder Factory - High-Quality Suppliers for Coatings, Plastics, and Cosmetics

Sericite mica powder, a premium mineral sourced from China, is characterized by its fine-grained texture, smooth surface, exceptional whiteness, and unparalleled chemical stability. As one of the leading suppliers in the industry, we recognize sericite mica powder as a valuable functional mineral filler, owing to its fine particle size, layered crystal structure, low hardness, and excellent compatibility with various industrial formulations. Compared to standard coarse mica powders, our sericite powder offers a superior finish, enhanced coating appearance, and uniform dispersion in applications such as paints, plastics, cosmetics, rubber, and ceramics.

The unique mineral structure of sericite provides outstanding lamellar properties. These thin-layered particles enhance barrier performance, suspension stability, dimensional stability, and surface smoothness across diverse formulations. In coatings, sericite mica powder improves smoothness, weather resistance, anti-cracking properties, and aesthetic appeal. In plastics and rubber, it serves as a functional filler, enhancing dimensional stability while minimizing shrinkage and boosting mechanical performance. In cosmetic formulations, our carefully selected sericite powder is prized for its silky texture and smooth application on the skin.

WANCHENG MINERAL is a trusted factory that specializes in the production of high-quality sericite mica powder for industrial customers around the globe. With a strong emphasis on stable raw material selection, precision grinding, particle size classification, rigorous quality control, and export-grade packaging, we aim to deliver consistent sericite powder solutions. Partner with us for reliable mineral fillers tailored to your needs in coatings, paints, plastics, cosmetics, rubber, ceramics, and beyond.

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Product Details

Chemical Component	Typical Content	Description
SiO2	45% - 55%	Main silicate component
Al2O3	25% - 35%	Main alumina component
K2O	6% - 10%	Typical mica alkali component
Fe2O3	0.5% - 3.0%	Affects whiteness and color
MgO	0.5% - 3.0%	Minor component
CaO	<=2.0%	Minor component
Na2O	<=1.5%	Minor alkali component
Loss on Ignition	3% - 6%	Depends on ore and processing

Frequently Asked Questions

What are the primary chemical components of this material?

The main chemical components are Silicon Dioxide (SiO2) ranging from 45% to 55% and Aluminum Oxide (Al2O3) between 25% and 35%, which together form the structural silicate and alumina matrix.

How does Fe2O3 content influence product quality?

Ferric oxide (Fe2O3) is present at 0.5% - 3.0%. Its concentration directly influences the whiteness, brightness, and optical color profile of the mineral.

Why is K2O important in this mineral's composition?

Potassium oxide (K2O) typically accounts for 6% - 10%, serving as the characteristic mica alkali component essential for maintaining mineral layer stability and dielectric properties.

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

The Loss on Ignition value of 3% - 6% reflects the percentage of volatile substances, bound water, and organic traces released at elevated temperatures, which depends on the raw ore quality and calcination processing.

What are the trace components found in this analysis?

The minor components include Magnesium Oxide (MgO, 0.5% - 3.0%), Calcium Oxide (CaO, <=2.0%), and Sodium Oxide (Na2O, <=1.5%), which occur naturally in controlled trace quantities.

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