Glass Refractory Solutions
Premium refractories engineered for glass melting furnaces and processing equipment
Fused-Cast AZS Bricks
Tank bottom & sidewalls (1500-1600°C): ER-1681 (33-36% ZrO₂, 48-50% Al₂O₃, 13-15% SiO₂) for soda-lime glass. ER-1711 (36-41% ZrO₂, 44-48% Al₂O₃) for borosilicate glass. ER-1197 (40-45% ZrO₂) for E-glass fiber. Bulk density: 3.7-4.0 g/cm³. Exudation rate: <2%. Glass contact quality. Campaign life: 8-12 years. Casting method: Electric arc melting.
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Silica Bricks
Crown & sidewall superstructure (1550-1650°C): High-purity silica (93-96% SiO₂). Bulk density: 1.80-1.92 g/cm³. Refractoriness under load (RUL): 1640-1680°C at 0.2 MPa. Thermal expansion: 1.2-1.4% at 1000°C. Cold crushing: 25-35 MPa. Standard sizes: 230×114×76mm. Custom arch bricks available. Service life: 8-10 years. Excellent creep resistance. Low alkali attack.
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Regenerator Checkers
Top zone (1350-1450°C): High-alumina checkers (70-80% Al₂O₃). Middle zone (1200-1350°C): High-alumina (60-70% Al₂O₃). Bottom zone (900-1200°C): Magnesite-chrome or high-alumina. Shapes: Grid, basket, cross-wall designs. Open area: 65-75% for optimal gas flow. Thermal shock resistance. Alkali vapor resistant. Service life: 3-5 years. Easy replacement design.
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Forehearth Refractories
Specialized castables and precast blocks for forehearth channels and conditioning zones (1100-1300°C). Low-cement castables with excellent thermal stability for glass conditioning. AZS precast shapes for glass contact areas in spout, channel, and distributor sections. Precise temperature control zones for glass viscosity management. Resistant to thermal cycling during gob formation. Easy-to-install modular designs for quick repairs. Service life: 3-5 years depending on glass type.
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Crown Bricks
Lightweight and dense crown bricks for furnace roof construction (1550-1650°C). High-purity silica crown bricks (94-96% SiO₂) with excellent load-bearing capacity at high temperatures. Mullite-bonded and fused-cast options for severe alkali environments. Arch bricks, wedge shapes, and custom profiles for sprung arch construction. Low thermal conductivity for energy efficiency. Resistant to alkali vapor attack and batch dust. Service life: 8-12 years with proper design.
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Burner Blocks
Precision burner blocks for oxy-fuel and air-fuel burner installations (1400-1600°C). Fused-cast AZS and high-alumina options for different flame intensities. Custom-machined ports for precise burner alignment and flame geometry. Resistant to thermal shock from flame impingement and cycling. Available for side-port, end-port, and roof-mounted configurations. Compatible with natural gas, fuel oil, and oxy-fuel systems. Service life: 5-8 years with proper burner maintenance.
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