Refractory Silica Bricks
High Temp Refractory Fire Brick , Silica Bricks For Glass Blast Furnace , Coke Oven
Silica bricks are essential refractory materials widely used in industries that operate under extremely high temperatures. Manufactured from high-purity quartz, these silica refractory bricks deliver excellent thermal stability, strong resistance to acid slags, and reliable performance in continuous high-heat environments. With precise production processes, every silica fire brick provides consistent quality and long service life.Engineered for durability and efficiency, silica bricks, silica refractory bricks, and silica fire brick are trusted by industries worldwide for their reliable performance in demanding thermal environments.
Key Features
High Thermal Stability – Silica bricks maintain strong structural integrity at service temperatures up to 1650°C.
Excellent Volume Stability – Low thermal expansion ensures durability and efficiency during long-term furnace operation.
Acid Resistance – Silica refractory bricks offer outstanding corrosion resistance against acidic slags and vapors.
Durable Performance – Each silica fire brick is designed for superior strength, resisting spalling and deformation under heat.
Accurate Dimensions – Advanced manufacturing ensures uniformity for easy installation in industrial furnaces.
Description:
Laurel can produces a large range of silica brick for many kind of industry usage.
SiO2 content: Above 95%.
Al2O3 content: Below 1.0%.
Usage: Hot-blast stove.
Our factory product various kinds of refractory products. The products can be made according with the customers' requirement.
Features:
- Silicon oxide is above 95%.
- Good acid erosion resistance.
- High softening point with temperature.
- No shrink in burn repeatedly.
- Temperature of refractoriness under load is above 1650º C
Applications:
- Glass furnace
- Coke oven
- Blast furnace
Specifications:
Technical data
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Silica brick for glass furnace |
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Item: |
GF-96A |
GF-96B |
GF-95A |
GF-95B |
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SiO 2 |
≥96 |
≥96 |
≥95 |
≥95 |
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Fe 2 O 3 |
≤0.8 |
≤1.0 |
≤1.2 |
≤1.2 |
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Apparent porosity % |
≤22(24) |
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Cold Crushing Strength MPa |
Brick below20KG |
≥35(30) |
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Brick ≥20KG |
≥30(25) |
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Refractoriness under load ºC |
≥1680 |
≥1670 |
≥1660 |
≥1650 |
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True density g/cm ³ |
≤2.34 |
≤2.34 |
≤2.35 |
≤2.35 |
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Silica brick for coke oven |
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Item: |
CO-94A |
CO-94B |
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SiO2: % |
≥94 |
≥94 |
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Al 2 O 3 : % |
≤ 1.5 |
≤ 1.5 |
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Fe2O3: % |
≤ 1.5 |
≤ 1.5 |
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Refractoriness under load 0.2Mpa |
≥ 1650ºC |
≥ 1650ºC |
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Apparent porosity: % |
≤ 22 |
≤ 24 |
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Bulk density: g/cm ³ |
≤ 2.34 |
≤ 2.35 |
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Cold crushing strength: MPa |
≥30 |
≥25 |
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Permanent linear change % (1450ºC ×2h) |
0~0.2 |
0~0.2 |
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Thermal expansion(1000ºC) |
≤1.28 |
≤1.30 |
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Silica brick for hot blast furnace |
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Item |
HBF-95 |
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SiO2 |
≥ 95 |
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Al2O3 |
≤ 1.0 |
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Fe2O3 |
≤1.3 |
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Apparent porosity % |
≤22(24) |
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Cold crushing strength MPa |
≥45(35) |
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Remaining quarts % |
≤1.0 |
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Refractoriness under load ºC |
≥1650 |
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Creep(0.2Mpa ×1550ºC×50h) % |
≤0.8 |
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Thermal expansion coefficient (1000ºC) % |
≤1.25 |
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Apparent density g/cm ³ |
≤2.32 |
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Competitive Advantage:
- Competitive Price. Make the products competitive in your market.
- Abundant Experience. Prevent cracks and twist in bricks.
- Different Moulds. Save mould fees for you.
- Strict Quality Control. Meet clients’ quality requirement.
- Large stocks. Guarantee prompt delivery.
- Professional Packing. Avoid damage and secure the goods in transportation
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.