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Sandblasting Glass Beads
Glass Beads
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Sandblasting Glass Beads

Sandblasting glass beads are spherical blasting media made from soda-lime glass. They are widely used for cleaning, finishing, polishing, deburring, and surface treatment of metals and non-metallic materials. Compared with angular abrasive media, glass beads provide a smoother and more uniform surface finish because their round shape gently impacts the workpiece surface without aggressive cutting.

Glass bead blasting is commonly selected when customers need a satin, matte, or uniform cosmetic finish without significantly changing the dimension of the base material. It is suitable for stainless steel, aluminum alloy, copper, brass, titanium, precision machinery parts, molds, automotive parts, aerospace components, medical instruments, hardware tools, and decorative metal products.

WANCHENG MINERAL supplies high-quality sandblasting glass beads with stable particle size distribution, high roundness, good cleanliness, and reliable blasting performance. Our products can be used in dry blasting cabinets, pressure blasting systems, suction blasting equipment, automatic blasting machines, and manual surface finishing operations.

For industrial users, consistent blasting media quality is very important. Uneven particle size or low roundness may cause unstable surface texture, increased dust, reduced media life, and inconsistent finishing results. WANCHENG MINERAL focuses on strict quality control, export-grade packaging, and customized particle size solutions to support global customers in achieving stable blasting performance.

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    Technical Specifications

    Sandblasting glass beads are available in different mesh sizes and particle ranges according to the required surface finish and blasting equipment. Coarser beads are usually used for cleaning, scale removal, and stronger surface impact, while finer beads are suitable for polishing, light finishing, cosmetic treatment, and precision components.

    WANCHENG MINERAL can supply common blasting grades such as 40–60 mesh, 60–80 mesh, 80–120 mesh, 100–170 mesh, 170–325 mesh, or customized particle sizes. The final specification should be selected according to material type, desired surface roughness, blasting pressure, nozzle size, and recycling system.

    Typical sandblasting glass beads have a soda-lime glass composition, high hardness, stable specific gravity, and good chemical resistance. They are generally non-metallic, chemically inert, and suitable for applications where iron contamination should be avoided.

    Main Chemical Composition Table
    Main Technical Parameters Table

    Chemical Component

    Typical Content

    Description
    SiO₂ 70% – 73% Main glass network component
    Na₂O 12% – 15% Helps reduce melting temperature
    CaO 7% – 10% Improves glass stability
    MgO 2% – 4% Improves durability
    Al₂O₃ 0.5% – 2.0% Improves chemical resistance
    K₂O 0.5% – 1.5% Minor alkali component
    Fe₂O₃ ≤0.5% Controlled impurity

    Item

    Typical Value
    Product Name Sandblasting Glass Beads
    Material Soda-lime glass
    Appearance Transparent or white spherical particles
    Common Mesh Sizes 40–60, 60–80, 80–120, 100–170, 170–325 mesh
    Particle Size Customized according to application
    Hardness Approx. 6–7 Mohs
    Specific Gravity Approx. 2.4–2.6 g/cm³
    Bulk Density Approx. 1.4–1.6 g/cm³
    Roundness High roundness, grade-dependent
    Moisture Low moisture
    Magnetic Content Low
    Packaging 25kg bags, jumbo bags, OEM

    Note: The chemical composition and technical parameters above are typical reference values for soda-lime sandblasting glass beads. Final specifications can be adjusted according to customer requirements, blasting equipment, target surface finish, and project standards.

    Advantages
    Packaging
    Production Process

    Sandblasting glass beads supplied by WANCHENG MINERAL offer multiple performance advantages for industrial blasting users.

    1. Smooth and Uniform Surface Finish

    The spherical shape of glass beads produces a satin or matte finish without deep cutting marks. This is ideal for components requiring clean appearance and controlled surface texture.

    2. Low Contamination

    As a non-metallic blasting medium, glass beads help reduce iron contamination on stainless steel, aluminum, and other sensitive surfaces.

    3. Reusable Blasting Media

    Depending on blasting pressure, equipment type, and application conditions, glass beads can be recycled multiple times in suitable blasting systems.

    4. Controlled Material Removal

    Glass beads provide surface cleaning and finishing with relatively low cutting action. This makes them suitable for precision parts and decorative surfaces.

    5. Good Chemical Stability

    Glass beads are chemically stable and suitable for a wide range of industrial environments.

    6. Custom Particle Size Options

    WANCHENG MINERAL can provide different mesh sizes to meet requirements for cleaning, polishing, deburring, peening, and decorative finishing.

    Packaging is important for maintaining the cleanliness, dryness, and flowability of sandblasting glass beads. WANCHENG MINERAL provides export-grade packaging suitable for long-distance transportation and industrial storage.

    Common packaging options include 25kg PP woven bags, 25kg kraft paper bags, 1MT jumbo bags, palletized packaging, and OEM packaging. Customers can choose packaging according to distributor requirements, warehouse handling conditions, and final market needs.

    To maintain product performance, glass beads should be stored in a dry, clean, and covered area. Avoid moisture, oil contamination, and broken packaging during transportation and storage.

    WANCHENG MINERAL follows a controlled production and quality inspection process to supply stable sandblasting glass beads for international customers.

    1. Raw Material Selection

    High-quality soda-lime glass raw materials are selected to ensure stable chemical composition and product clarity.

    2. Melting and Bead Forming

    The raw material is melted at high temperature and processed into spherical glass beads.

    3. Cooling and Stabilization

    The formed beads are cooled under controlled conditions to maintain particle structure and stability.

    4. Screening and Classification

    Glass beads are classified into different mesh sizes based on customer application requirements.

    5. Roundness and Appearance Control

    Irregular particles, broken beads, and impurities are reduced through inspection and classification procedures.

    6. Quality Inspection

    Each batch is checked for particle size, appearance, cleanliness, and packaging condition before shipment.

    7. Packaging and Export

    Qualified products are packed according to export standards or customer requirements.

    Applications

    Sandblasting glass beads are widely used in industrial blasting and surface finishing because they can clean the surface while producing a uniform satin finish. The following are typical application areas.

    1. Stainless Steel Surface Finishing

    Glass beads are commonly used to produce a smooth, uniform, matte finish on stainless steel sheets, components, tanks, kitchenware, architectural products, and decorative parts. The process can remove minor surface defects while maintaining a clean metallic appearance.

    2. Aluminum and Non-Ferrous Metal Treatment

    Glass beads are suitable for aluminum alloy, copper, brass, and other non-ferrous metals. The gentle impact reduces the risk of excessive material removal and helps create a fine decorative surface.

    3. Deburring of Precision Parts

    In machining, casting, and stamping processes, small burrs may remain on components. Glass bead blasting can remove light burrs and improve surface uniformity without seriously damaging component dimensions.

    4. Mold Cleaning

    Glass beads can clean mold surfaces, remove residues, and restore a consistent finish without aggressive cutting. They are used in plastic molds, rubber molds, die-casting molds, and precision tooling maintenance.

    5. Automotive and Aerospace Components

    Glass beads are used for cleaning, peening, surface preparation, and appearance improvement of automotive parts, turbine parts, engine components, and aerospace hardware.

    6. Restoration and Maintenance

    Glass bead blasting is used for restoring machinery parts, tools, valves, pumps, and equipment surfaces. It can remove light oxidation, dirt, coatings, and surface contaminants.

    7. Decorative and Architectural Finishing

    For decorative metal products, glass bead blasting creates a consistent matte effect that improves visual quality and surface texture.

    FAQ

    • Q1: What are sandblasting glass beads used for?

    • Q2: Are glass beads suitable for stainless steel?

    • Q3: Can glass beads be reused?

    • Q4: Which mesh size should I choose?

    • Q5: Can WANCHENG MINERAL provide OEM packaging?

    • Q6: Can samples be provided before bulk order?

    Contact WANCHENG MINERAL

    Looking for a reliable sandblasting glass beads manufacturer and supplier in China?

    WANCHENG MINERAL provides high-quality sandblasting glass beads, stable particle size, export-grade packaging, technical support, and customized solutions for global industrial customers.
    Contact WANCHENG MINERAL today to request product specifications, samples, technical support, and competitive pricing.
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