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China Grinding Glass Beads - Reliable Suppliers and Factory for Quality Milling Media
| Chemical Component | Typical Content | Description |
|---|---|---|
| SiO2 (Silicon Dioxide) | 70% - 73% | Main glass network component |
| Na2O (Sodium Oxide) | 12% - 15% | Fluxing component |
| 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 (FAQ)
Q
What is the primary chemical component in this glass composition?
Silicon Dioxide (SiO2) is the primary glass former, making up 70% to 73% of the total formulation. It provides the core structural network and foundational rigidity.
Q
What is the function of Na2O (Sodium Oxide) as a fluxing agent?
Sodium Oxide (Na2O) acts as a flux that lowers the melting temperature of silica, facilitating energy-efficient batch processing during glass manufacturing.
Q
Why are CaO and MgO essential in glass formulation?
Calcium Oxide (CaO) and Magnesium Oxide (MgO) serve as stabilizing agents. They enhance the chemical stability, mechanical hardness, and overall durability of the glass against degradation.
Q
How does Al2O3 improve the chemical resistance of glass?
Aluminum Oxide (Al2O3) strengthens the glass network against chemical attack and weathering, increasing resistance to water, acids, and atmospheric exposure.
Q
Why is the Fe2O3 (Iron Oxide) content strictly controlled under 0.5%?
Iron Oxide is a controlled impurity because excess amounts cause undesirable green or brown tints, impacting optical clarity and light transmission.
Q
Can these chemical proportions vary across different production batches?
Yes, slight variations within the designated percentage ranges occur based on raw material purity and tailored performance specifications for specialized applications.
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