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High-Purity Sintered Dense Aluminum Channel Block - Top China Suppliers & Factory for Industrial Applications
Manufacturing Process
1
Raw Material Preparation: High-purity alumina powder and various particle grains size are prepared.
2
Forming: The raw material is formed into the desired shape using techniques such as casting or extrusion.
3
Sintering: The formed blocks are sintered at high temperatures to achieve the required density and mechanical properties.
The Advantages
99 dense alumina channel blocks provide no glass pollution, eliminating glass impurities, bubbles, and "Cat-Scratch" defects. This significantly improves production yield-rates, especially for crystal glass, cosmetic glass, perfume glass, and high-grade container glass.
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High Density: Dense alumina contributes to superior mechanical strength and durability.
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Thermal Stability: Capable of withstanding extreme temperatures for high-heat applications.
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Wear Resistance: Highly resistant to abrasion in harsh industrial environments.
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Corrosion Resistance: Resists chemical attacks from acids and alkalis for enhanced longevity.
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Electrical Insulation: Excellent insulator for specialized electrical and electronic settings.
Application
This product is mainly used in the hot end of furnaces such as tableware glass, bottle glass, and container glass furnaces.
| Items | 99 Dense Alumina (Casting) |
|---|---|
| Al2O3% | ≥97.5 |
| SiO2% | ≤0.18 |
| Fe2O3% | ≤0.1 |
| Bulk Density g/cm³ | ≥3.15 |
| Apparent Porosity % | ≤16 |
| Cold Crushing Strength (Mpa) | ≥110 |
| Refractoriness Under Load T0.6/℃ | ≥1700 |
NOTE: All data above are average test results under standard procedure and are subjected to variation. Result should not be used for specification purpose or creating any contractual obligation. For more information on the safety application or materials, please contact with our sales engineer.
Frequently Asked Questions
What are the primary components of 99 Dense Alumina Channel Blocks?
They are manufactured using high-purity alumina powder and various particle grain sizes, which are then formed and sintered at high temperatures.
How does using these blocks improve glass quality?
These blocks eliminate glass pollution and impurities, preventing common defects like bubbles and "Cat-Scratch," which leads to a higher production yield-rate.
In which types of glass production are these blocks most effective?
They are ideal for crystal glass, cosmetic glass, perfume glass, and high-grade container glass production.
What is the maximum temperature resistance of these channel blocks?
The blocks exhibit a refractoriness under load (T0.6/℃) of ≥1700℃, making them suitable for the hot end of glass furnaces.
Do these blocks resist chemical corrosion?
Yes, dense alumina is highly resistant to chemical attacks from both acids and alkalis, ensuring a long service life in corrosive environments.
What are the physical strength characteristics of this product?
The 99 Dense Alumina (Casting) blocks have a high Bulk Density (≥3.15 g/cm³) and a Cold Crushing Strength of ≥110 Mpa.