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High-Quality Weighting Glass Beads from China Suppliers - Reliable Factory Supply for Various Applications

Weighting glass beads are high-quality, spherical glass particles manufactured primarily from soda-lime glass. They are designed for various applications, including filling, weighting, density adjustment, and counterweight solutions. With their smooth, clean, and uniform characteristics, these glass beads are favored by manufacturers seeking a compact weight and stable filling performance. The higher density of glass compared to many plastic fillers and textile fibers makes them an ideal choice for applications that require good flowability and consistent weight distribution. In both consumer and industrial products, the importance of weight distribution cannot be overstated. For instance, weighted blankets benefit from evenly distributed filling materials to provide gentle pressure, while stuffed toys and craft items rely on stable, clean fillers to enhance their tactile feel and maintain product shape. Additionally, products made from plastic, rubber, and composites may require density control to improve functionality and stability. Weighting glass beads excel in these situations, thanks to their spherical shape, high bulk density, chemical stability, and consistent particle size. As a leading factory and suppliers in China, WANCHENG MINERAL offers a diverse range of weighting glass beads to global markets, including textile products, household items, toy filling, craft applications, plastic fillers, rubber products, sports equipment, and industrial counterweights. We provide various particle sizes and packaging options, as well as customized grades to meet specific customer requirements. Our commitment to stable quality, clean appearance, good flowability, and reliable bulk supply positions us as your trusted supplier for high-performance weighting glass beads.

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    Chemical Component Typical Content Description
    SiO2 / Silicon Dioxide 70% - 73% Main glass network component
    Na2O / Sodium Oxide 12% - 15% Helps glass melting and processing
    CaO / Calcium Oxide 7% - 10% Improves glass stability
    MgO / Magnesium Oxide 2% - 4% Improves durability
    Al2O3 / Aluminum Oxide 0.5% - 2.0% Improves chemical resistance
    K2O / Potassium Oxide 0.5% - 1.5% Minor alkali component
    Fe2O3 / Iron Oxide ≤ 0.5% Controlled impurity
    Frequently Asked Questions
    What type of glass does this chemical composition represent?
    This profile represents typical soda-lime silica glass, the most widely manufactured type of glass used extensively for flat architectural windows, automotive glass, and everyday glass containers.
    Why is Silicon Dioxide (SiO2) the main component?
    Silicon Dioxide (SiO2) functions as the primary network former. It provides the essential amorphous structural framework that delivers mechanical strength, hardness, and transparency.
    What is the function of Sodium Oxide (Na2O) in glass production?
    Sodium Oxide acts as a fluxing agent. It significantly lowers the melting point of silica from over 1,700°C to manageable working temperatures, making the manufacturing and shaping process energy-efficient.
    Why must Iron Oxide (Fe2O3) be kept below 0.5%?
    Iron Oxide is a natural impurity that imparts a greenish or brownish tint to the glass. Controlling it below 0.5% ensures maximum light transmission and high visual clarity.
    How do Calcium Oxide (CaO) and Magnesium Oxide (MgO) stabilize glass?
    While sodium lowers the melting point, it makes pure sodium silicate water-soluble. Adding Calcium Oxide (CaO) and Magnesium Oxide (MgO) restores chemical insolubility, enhances weather resistance, and improves overall structural stability.
    What role does Aluminum Oxide (Al2O3) play in durability?
    Aluminum Oxide enhances chemical durability, increases viscosity during forming, and significantly improves scratch resistance and resistance against thermal shock.

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    FAQ

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