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Muscovite Mica Powder

Muscovite mica powder is a high performance non-metallic mineral material produced from natural muscovite mica. Muscovite is known for its excellent plate-like crystal structure, high aspect ratio, good chemical stability, electrical insulation, heat resistance, and decorative pearlescent effect. After crushing, grinding, classification, and strict quality control, muscovite mica can be processed into different mesh sizes for a wide range of industrial applications.

As a functional mineral filler, muscovite mica powder is widely used in coatings, plastics, rubber, cosmetics, welding electrodes, construction materials, insulation materials, ceramics, friction materials, and decorative applications. Its layered structure helps improve barrier performance, dimensional stability, mechanical strength, suspension stability, and surface appearance in different formulations.

WANCHENG MINERAL supplies high quality muscovite mica powder for global industrial customers. We provide dry ground mica powder, wet ground mica powder, fine mica powder, and customized specifications according to customer application requirements. With stable raw material resources, professional processing equipment, and strict inspection procedures, WANCHENG MINERAL is committed to providing reliable muscovite mica powder solutions for international markets.

    Technical Specifications

    The following specifications are typical reference values. Actual specifications can be adjusted according to customer requirements, application systems, and quality standards.

    Item

    Typical Specification

    Product Name

    Muscovite Mica Powder

    Main Mineral

    Muscovite Mica

    Appearance

    White / Silver White / Light Grey Powder

    Particle Size

    10 mesh - 1250 mesh, customizable

    Whiteness

    50 - 65, depending on grade

    Moisture

    ≤ 0.5% - 1.0% typical

    pH Value

    Neutral to weak alkaline

    Shape

    Flake / Plate-like Powder

    Hardness

    2 - 3 Mohs

    Oil Absorption

    Customized by particle size

    Packaging

    25kg bags, jumbo bags, OEM packaging

    Chemical Composition

    Content %

    SiO₂

    45–48

    Al₂O₃

    20–33

    Fe₂O₃

    2–5

    CaO

    0.03–0.05

    Na₂O

    0.8–1.5

    MgO

    0.48–0.69

    TiO₂

    0.06–0.65

    K₂O

    7–9.8

    Specification

    Sieve Residue

    Sand Content

    Bulk Density

    Water Content

    Whiteness

    Aspect Ratio

    20 Mesh

    <5.0%

    <1.0%

    0.35g/cm³

    <1.0%

    /

    >60

    40 Mesh

    <5.0%

    <2.0%

    0.35g/cm³

    <1.0%

    /

    >60

    60 Mesh

    <5.0%

    <3.0%

    0.35g/cm³

    <1.0%

    /

    >60

    100 Mesh

    <5.0%

    <3.0%

    0.30g/cm³

    <1.0%

    >50°

    >60

    200 Mesh

    <5.0%

    <0.5%

    0.30g/cm³

    <1.0%

    >60°

    >60

    325 Mesh

    <5.0%

    <0.2%

    0.25g/cm³

    <1.0%

    >60°

    >60

    400 Mesh

    <10%

    <0.1%

    0.23g/cm³

    <1.0%

    >65°

    >60

    600 Mesh

    <10%

    <0.1%

    0.23g/cm³

    <1.0%

    >65°

    >70

    800 Mesh

    <10%

    <0.1%

    0.23g/cm³

    <1.0%

    >65°

    >70

    1000 Mesh

    <10%

    <0.1%

    0.23g/cm³

    <1.0%

    >65°

    >70

    The above specifications are our standard models. We can also provide customized production based on customers’ specific requirements.

    Specification

    Sieve Residue

    Sand Content

    Bulk Density

    Water Content

    Whiteness

    Aspect Ratio

    100 Mesh

    <5.0%

    <0.5%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    60–80

    200 Mesh

    <5.0%

    <0.5%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    60–80

    325 Mesh

    <5.0%

    <0.2%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    60–80

    400 Mesh

    <10%

    <0.1%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    60–80

    800 Mesh

    ≤0.5%

    <0.1%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    60–80

    1250 Mesh

    ≤0.5%

    <0.1%

    0.20-0.35 g/cm³

    <1.0%

    >65°

    >70

    The above specifications are our standard models. We can also provide customized production based on customers’ specific requirements.

    Excellent Plate-like Structure

    Muscovite mica has a natural layered structure that improves barrier performance, reinforcement, and surface quality in coatings, plastics, and rubber systems.

    Good Chemical Stability

    Mica powder maintains stable performance in many resin, coating, rubber, and construction material systems.

    High Heat Resistance

    Muscovite mica can be used in applications requiring thermal stability and long-term durability.

    Electrical Insulation

    Its excellent insulation properties make it suitable for electrical insulation and functional industrial materials.

    Improved Appearance

    Fine mica powder improves smoothness, gloss, pearlescent effect, and premium visual appearance in coatings, cosmetics, and decorative materials.

    Customizable Specifications

    WANCHENG MINERAL can supply different mesh sizes, whiteness grades, and packaging options according to customer needs.

    For different industries, the correct grade of muscovite mica powder should be selected according to particle size, whiteness, purity, aspect ratio, and dispersion requirements. Coating customers usually focus on barrier performance, weather resistance, suspension stability, and surface smoothness. Plastic and rubber customers usually care more about reinforcement, heat resistance, dimensional stability, and processing compatibility. Cosmetic customers require higher purity, fine particle size, smooth touch, and stable color appearance.

    WANCHENG MINERAL can recommend suitable muscovite mica powder grades according to the customer's formulation, target performance, processing method, and final product requirements. For new projects, we recommend sample testing before bulk purchasing to confirm dispersion, compatibility, color, and performance in the final application system.

    Stable quality is essential for industrial mineral products. WANCHENG MINERAL controls muscovite mica powder quality from raw material selection to final packaging. Key inspection items include appearance, particle size distribution, whiteness, moisture content, impurity control, and packaging condition. For customers with special requirements, additional indicators can be tested according to agreed technical standards.

    Customization is available for mesh size, whiteness grade, packing method, labeling, moisture control, and export documentation. This makes muscovite mica powder easier to match different coating formulas, plastic compounds, rubber products, cosmetic bases, welding electrode systems, and construction material recipes.

    Muscovite mica powder should be stored in a dry and ventilated warehouse. The product should be kept away from rain, moisture, direct contamination, and damaged packaging. After opening the package, unused material should be sealed again to prevent moisture absorption or foreign matter contamination. During handling, avoid strong impact that may damage bags or cause dust leakage.

    For production use, customers should add mica powder according to their own formulation process. Proper dispersion equipment and mixing time can help achieve better performance in coatings, plastics, rubber, and other systems. If customers are not sure about the recommended dosage or suitable grade, WANCHENG MINERAL can provide technical suggestions based on application experience.

    WANCHENG MINERAL provides flexible packaging solutions for international customers. Standard packaging includes 25kg PP woven bags, 25kg kraft paper bags, palletized bags, and jumbo bags. OEM packaging with customer labels, neutral packaging, or customized bag design is also available according to order requirements.

    • 25kg PP woven bags 

    • 25kg kraft paper bags 

    • 500kg or 1000kg jumbo bags 

    • Palletized export packaging 

    • OEM packaging and private label service 

    For export orders, we can provide product labels, batch numbers, COA, SDS/MSDS, technical data sheets, and other documents according to customer requirements.

    The production process of muscovite mica powder directly affects particle size distribution, whiteness, purity, and application performance. WANCHENG MINERAL follows strict processing and inspection procedures to ensure stable quality for every batch. 

    Raw Mica Selection

    Selected muscovite raw materials are inspected for color, purity, and mineral quality before processing.

    Cleaning & Sorting

    Impurities are removed to improve product purity and appearance.

    Crushing

    Large mica flakes are crushed into smaller particles suitable for grinding.

    Grinding

    Dry grinding or wet grinding processes are selected according to product grade and application requirements.

    Classification

    Air classification or screening systems are used to control particle size distribution.

    Drying

    Moisture is controlled to meet storage, transportation, and application requirements.

    Quality Inspection

    Each batch is tested for mesh size, whiteness, moisture, appearance, and customer-specific indicators.

    Packaging

    Finished products are packed according to export standards or customized packaging requirements.

    Applications

    Muscovite mica powder is used in many industries because it combines mineral stability, plate-like reinforcement, smooth texture, insulation, and decorative value. Below are the main application fields for muscovite mica powder supplied by WANCHENG MINERAL.

    Coatings & Paint 

    In coatings, muscovite mica powder improves barrier performance, weather resistance, anti-corrosion performance, crack resistance, and surface smoothness. The plate-like particles form overlapping layers inside the coating film, helping to reduce moisture penetration and extend coating service life.

    Plastics & Polymers

    Muscovite mica powder can improve rigidity, dimensional stability, heat resistance, and surface performance in plastic products. It is used in engineering plastics, PP, PE, PVC, and other polymer systems as a functional filler.

    Rubber Industry

    In rubber formulations, mica powder improves reinforcement, heat resistance, insulation, and processing stability. It can also help reduce shrinkage and improve dimensional control in rubber products.

    Cosmetics & Personal Care

    High purity fine muscovite mica powder can be used in cosmetic formulations where smooth texture, brightness, pearlescent effect, and skin feel are required. Product purity and particle size control are especially important for this application.

    Welding Electrodes

    Muscovite mica powder is used in welding electrode coatings to improve arc stability, coating strength, slag formation, and heat resistance.

    Construction Materials

    In dry mortar, wall coatings, insulation boards, and functional building materials, mica powder improves workability, crack resistance, decorative texture, and durability.

    Electrical & Insulation Materials

    Due to its natural insulation properties and heat resistance, muscovite mica powder is used in insulation materials, electrical components, and thermal resistant systems.

    FAQ

    • Q1: What is muscovite mica powder used for?

      Muscovite mica powder is used in coatings, plastics, rubber, cosmetics, welding electrodes, construction materials, insulation materials, ceramics, and decorative applications.
    • Q2: What is the difference between dry ground mica and wet ground mica?

    • Q3: Can WANCHENG MINERAL customize mesh size?

    • Q4: Is muscovite mica powder suitable for coatings?

    • Q5: Can mica powder be used in plastics?

    • Q6: What packaging options are available?

    • Q7: Can samples be provided?

    • Q8: How should mica powder be stored?

    Contact WANCHENG MINERAL

    Looking for a reliable muscovite mica powder manufacturer and supplier in China? WANCHENG MINERAL provides high quality mica powder products, stable supply capacity, professional export service, and customized mineral solutions for global customers. Contact us for samples, product specifications, technical data sheets, and competitive pricing.