Mica Powder Manufacturer & Supplier in China WANCHENG MINERAL (6).JPG

Calcined Silver Mica Powder: Premium Quality from China Suppliers & Factory for Decorative and Industrial Use

Calcined silver mica powder is a premium product crafted by WANCHENG MINERAL, a leading mica supplier and factory in China. This unique mica undergoes controlled thermal treatment, enhancing its color stability while removing volatile impurities, resulting in a striking silver appearance. Unlike standard natural mica powder, our calcined silver mica showcases a brilliant metallic silver finish, making it ideal for various decorative and functional applications that prioritize aesthetics, stability, and mineral performance. Designed specifically for those in need of coarse mica particles or decorative flakes with a captivating silver surface effect, we offer this product in 10 mesh, 20 mesh, and 40 mesh sizes. These coarser specifications are especially suitable for achieving visible decorative effects in textured coatings, construction surface materials, functional fillers, insulation layers, and other industrial formulations where particle visibility is essential. Retaining the natural layered structure of mica, our calcined silver mica offers excellent flexibility, thermal resistance, electrical insulation, chemical stability, and enhanced surface reflection. The uniform and cleaner surface appearance post-calcination, coupled with its unique silver color, distinguishes our product from traditional white, golden, and black mica varieties. This makes it a valuable special-effect mineral for decorative systems, coatings, building materials, and various industrial applications. For international customers, choosing the right calcined mica product hinges on factors like consistent color, precise particle size control, clean packaging, and reliable supply. As a trusted mica supplier and factory in China, WANCHENG MINERAL assures export-grade packaging, meticulous quality inspection, and tailored supply solutions for global distributors, coating manufacturers, construction material producers, and industrial mineral users.

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Product Details

Chemical Component	Typical Content	Description
SiO₂	42% – 48%	Main silicate component
Al₂O₃	28% – 38%	Main alumina component
K₂O	7% – 11%	Typical mica alkali component
Fe₂O₃	1% – 6%	Affects color and mineral characteristics
MgO	0.5% – 3%	Minor component
CaO	≤2%	Minor component
Na₂O	≤1.5%	Minor alkali component
Loss on Ignition	Reduced after calcination	Depends on calcination process

Frequently Asked Questions

What are the primary chemical components of this material?

The primary components are Silicon Dioxide (SiO₂ at 42% – 48%) and Aluminum Oxide (Al₂O₃ at 28% – 38%), which form the core silicate and alumina structure.

What is the significance of the K₂O content in this mineral?

Potassium Oxide (K₂O), typically ranging from 7% to 11%, is a characteristic alkali component of mica group minerals that contributes to its chemical stability and structural properties.

How does Fe₂O₃ influence the physical properties?

Iron Oxide (Fe₂O₃), present at 1% – 6%, directly influences the visual color, whiteness, and distinct mineral characteristics of the final processed material.

What does "Loss on Ignition" signify in the specification?

Loss on Ignition indicates volatile substances and moisture content that are reduced during thermal processing, depending directly on the specific calcination parameters applied.

Are trace oxides like MgO, CaO, and Na₂O kept within strict limits?

Yes, minor components such as MgO (0.5% – 3%), CaO (≤2%), and Na₂O (≤1.5%) remain well-controlled minor components to ensure high material consistency and quality.

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