Products
Non-expanding shaped silica brick
Silica Refractory Bricks I. Main Product Types Ordinary Silica Brick (SG-93): Composition: SiO₂ ≥ 93%, CaO 2–3%; Apparent Porosity: 16–22%; Bulk Density: 1.8–1.95 g/cm³ High-Density Silica Brick (SG-96HD): SiO₂ ≥ 96%, True Density 2.34 g/cm³; Load Softening Point: ≥1680°C; Service Temperature: ≤1600°C Special Silica Bricks: Coke Oven Silica Brick: Residual Quartz ≤3%; Glass Furnace Silica Brick: Creep Resistance Temperature Increased by 50°C; Hot Blast Stove Silica Brick: Thermal Shock Stability ≥15 Cycles II. Modern Production Processes Raw Material Processing: Quartz Ore Selection (SiO₂ ≥ 98.5%); Particle Size Distribution Optimization: Coarse (3–1 mm): Medium (1–0.1 mm): Fine (<0.1 mm) = 50:30:20; Mineralizer Technology: Composite Mineralizer (CaO + Fe₂O₃ + Nano-TiO₂); Conversion Rate Control: Tridymite ≥60%; Intelligent Firing Tunnel Kiln Temperature Profile: Before 600°C: Heating Rate 30°C/h; 600–1450°C: Oxidizing Atmosphere; Holding at 1450°C: 8–12 h III. Application Scenarios Typical Application Areas and Technical Benefits: Coking Industry: Coke Oven Carbonization Chamber Life 8–10 Years; Glass Manufacturing: Melting Furnace Large Vault—Corrosion Resistance Improved by 40%; Iron and Steel Metallurgy: Hot Blast Stove Vault—Thermal Efficiency Increased by 15%; Ceramics Industry: Roller Hearth Kiln Load-Bearing Structure—Energy Savings of 20% IV. Performance Advantages Compared with Traditional Materials: High-Temperature Volume Stability: Expansion at 1450°C +1.2% (High-Alumina Brick Shrinkage 0.5%); Acid-Slag Resistance: Erosion Depth ≤1.5 mm (High-Alumina Brick ≥3 mm); Economic Analysis: Raw Material Cost: 60–70% Lower than Zirconia-Alumina Brick; Maintenance Interval: Three Times Longer than Clay Brick V. Physicochemical Indices (GB/T 2026–SG): 1. Basic Properties: Refractoriness: ≥1710°C; Room-Temperature Compressive Strength: ≥30 MPa (High-Density Type ≥50 MPa); High-Temperature Characteristics: True Density: 2.33–2.38 g/cm³; Residual Linear Change: +0.2% to +0.8% (at 1450°C for 2 hours); Special Requirements: Alkali-Vapor Resistance: Weight Gain Due to Na₂O Erosion ≤0.5%; Thermal Conductivity (at 1000°C): 1.6 W/(m·K)
Silica Refractory Bricks I. Main Product Types Ordinary Silica Brick (SG-93): Composition: SiO₂ ≥ 93%, CaO 2–3%; Apparent Porosity: 16–22%; Bulk Density: 1.8–1.95 g/cm³. High-Density Silica Brick (SG-96HD): SiO₂ ≥ 96%, True Density 2.34 g/cm³; Load Softening Point: ≥1680°C; Service Temperature: ≤1600°C. Specialized Silica Bricks: Coke Oven Silica Brick: Residual Quartz ≤3%; Glass Furnace Silica Brick: Creep Resistance Temperature Increased by 50°C; Hot Blast Stove Silica Brick: Thermal Shock Stability ≥15 Cycles. II. Modern Production Processes Raw Material Processing: Quartz Ore Selection (SiO₂ ≥ 98.5%); Particle Size Distribution Optimization: Coarse (3–1 mm): Medium (1–0.1 mm): Fine (<0.1 mm) = 50:30:20. Mineralizer Technology: Composite Mineralizer (CaO + Fe₂O₃ + Nano-TiO₂); Conversion Rate Control: Tridymite ≥60%. Intelligent Firing in Tunnel Kiln Temperature Profile: Before 600°C: Heating Rate 30°C/h; 600–1450°C: Oxidizing Atmosphere; Holding at 1450°C: 8–12 hours. III. Application Scenarios Typical Application Areas and Technical Benefits: Coking Industry: Coke Oven Carbonization Chamber Life 8–10 Years; Glass Manufacturing: Melting Furnace Crown Arch—Corrosion Resistance Improved by 40%; Iron and Steel Metallurgy: Hot Blast Stove Vault—Thermal Efficiency Increased by 15%; Ceramics Industry: Roller Hearth Kiln Load-Bearing Structure—Energy Savings of 20%. IV. Performance Advantages Compared with Traditional Materials High-Temperature Volume Stability: Expansion at 1450°C +1.2% (High-Alumina Brick Shrinkage 0.5%); Acid-Slag Resistance: Erosion Depth ≤1.5 mm (High-Alumina Brick ≥3 mm); Economic Analysis: Raw Material Cost—60–70% Lower than Zirconia-Alumina Brick; Maintenance Interval—Three Times Longer than Clay Brick. V. Physicochemical Specifications (GB/T 2026–SG) 1. Basic Properties: Refractoriness: ≥1710°C; Room-Temperature Compressive Strength: ≥30 MPa (High-Density Type ≥50 MPa); High-Temperature Characteristics: True Density: 2.33–2.38 g/cm³; Residual Linear Change: +0.2% to +0.8% (at 1450°C for 2 hours); Special Requirements: Alkali-Vapor Resistance: Na₂O Erosion Weight Gain ≤0.5%; Thermal Conductivity (at 1000°C): 1.6 W/(m·K).
Silica Refractory Bricks I. Main Product Types Ordinary Silica Brick (SG-93): Composition: SiO₂ ≥ 93%, CaO 2–3%; Apparent Porosity: 16–22%; Bulk Density: 1.8–1.95 g/cm³. High-Density Silica Brick (SG-96HD): SiO₂ ≥ 96%, True Density 2.34 g/cm³; Load Softening Point: ≥1680°C; Service Temperature: ≤1600°C. Specialized Silica Bricks: Coke Oven Silica Brick: Residual Quartz ≤3%; Glass Furnace Silica Brick: Creep Resistance Temperature Increased by 50°C; Hot Blast Stove Silica Brick: Thermal Shock Stability ≥15 Cycles. II. Modern Production Processes Raw Material Processing: Selective Crushing of Silica Ore (SiO₂ ≥ 98.5%); Optimized Particle Size Distribution: Coarse (3–1 mm): Medium (1–0.1 mm): Fine (<0.1 mm) = 50:30:20. Mineralizer Technology: Composite Mineralizer (CaO + Fe₂O₃ + Nano-TiO₂) with Controlled Conversion Rate: Tridymite ≥ 60%. Intelligent Firing in Tunnel Kiln: Temperature Profile—Before 600°C: Heating Rate 30°C/h; 600–1450°C: Oxidizing Atmosphere; Holding at 1450°C: 8–12 hours. III. Application Scenarios Typical Application Areas and Technical Benefits: Coking Industry: Coke Oven Carbonization Chamber Life 8–10 Years. Glass Manufacturing: Melting Furnace Crown Arch—Corrosion Resistance Improved by 40%. Iron and Steel Metallurgy: Hot Blast Stove Vault—Thermal Efficiency Increased by 15%. Ceramics Industry: Roller Hearth Kiln Load-Bearing Structure—Energy Savings of 20%. IV. Performance Advantages Compared with Traditional Materials High-Temperature Volume Stability: Expansion at 1450°C +1.2% (High-Alumina Brick Shrinkage 0.5%). Acid-Slag Resistance: Erosion Depth ≤1.5 mm (High-Alumina Brick ≥3 mm). Economic Analysis: Raw Material Costs—60–70% Lower than Zirconia-Alumina Bricks; Maintenance Interval—Three Times Longer than Clay Bricks. V. Physicochemical Specifications (GB/T 2026–SG) 1. Basic Properties: Refractoriness: ≥1710°C; Room-Temperature Compressive Strength: ≥30 MPa (High-Density Type ≥50 MPa); High-Temperature Characteristics: True Density: 2.33–2.38 g/cm³; Residual Linear Change: +0.2% to +0.8% (at 1450°C for 2 hours); Special Requirements: Alkali Vapor Resistance: Na₂O Erosion Weight Gain ≤0.5%; Thermal Conductivity (at 1000°C): 1.6 W/(m·K).
Silica Refractory Bricks I. Main Product Types Ordinary Silica Brick (SG-93): Composition: SiO₂ ≥ 93%, CaO 2–3%; Apparent Porosity: 16–22%; Bulk Density: 1.8–1.95 g/cm³ High-Density Silica Brick (SG-96HD): SiO₂ ≥ 96%, True Density 2.34 g/cm³; Load Softening Point: ≥1680°C; Service Temperature: ≤1600°C Special Silica Bricks: Coke Oven Silica Brick: Residual Quartz ≤3%; Glass Furnace Silica Brick: Creep Resistance Temperature Increased by 50°C; Hot Blast Stove Silica Brick: Thermal Shock Stability ≥15 Cycles II. Modern Production Processes Raw Material Processing: Quartz Ore Selection (SiO₂ ≥ 98.5%); Particle Size Distribution Optimization: Coarse (3–1 mm): Medium (1–0.1 mm): Fine (<0.1 mm) = 50:30:20; Mineralizer Technology: Composite Mineralizer (CaO + Fe₂O₃ + Nano-TiO₂); Conversion Rate Control: Tridymite ≥60%; Intelligent Firing Tunnel Kiln Temperature Profile: Before 600°C: Heating Rate 30°C/h; 600–1450°C: Oxidizing Atmosphere; Holding at 1450°C: 8–12 hours III. Application Scenarios Typical Application Areas and Technical Benefits: Coking Industry: Coke Oven Carbonization Chamber Life 8–10 Years; Glass Manufacturing: Melting Furnace Large Vault—Corrosion Resistance Improved by 40%; Iron and Steel Metallurgy: Hot Blast Stove Vault—Thermal Efficiency Increased by 15%; Ceramics Industry: Roller Hearth Kiln Load-Bearing Structure—Energy Savings of 20% IV. Performance Advantages Compared with Traditional Materials: High-Temperature Volume Stability: Expansion at 1450°C +1.2% (High-Alumina Brick Shrinkage 0.5%); Acid-Slag Resistance: Erosion Depth ≤1.5 mm (High-Alumina Brick ≥3 mm); Economic Analysis: Raw Material Cost: 60–70% Lower than Zirconia-Alumina Brick; Maintenance Interval: Three Times Longer than Clay Brick V. Physicochemical Indices (GB/T 2026–SG): 1. Basic Properties: Refractoriness: ≥1710°C; Room-Temperature Compressive Strength: ≥30 MPa (High-Density Type ≥50 MPa); High-Temperature Characteristics: True Density: 2.33–2.38 g/cm³; Residual Linear Change: +0.2% to +0.8% (at 1450°C for 2 hours); Special Requirements: Alkali Vapor Resistance: Weight Gain Due to Na₂O Erosion ≤0.5%; Thermal Conductivity (at 1000°C): 1.6 W/(m·K)
Silica bricks for glass furnaces
Silica Refractory Bricks I. Main Product Types Ordinary Silica Brick (SG-93): Composition: SiO₂ ≥ 93%, CaO 2–3%; Apparent Porosity: 16–22%; Bulk Density: 1.8–1.95 g/cm³ High-Density Silica Brick (SG-96HD): SiO₂ ≥ 96%, True Density 2.34 g/cm³; Load Softening Point: ≥1680°C; Service Temperature: ≤1600°C Special Silica Bricks: Coke Oven Silica Brick: Residual Quartz ≤3%; Glass Furnace Silica Brick: Creep Resistance Temperature Increased by 50°C; Hot Blast Stove Silica Brick: Thermal Shock Stability ≥15 Cycles II. Modern Production Processes Raw Material Processing: Quartz Ore Selection (SiO₂ ≥ 98.5%); Particle Size Distribution Optimization: Coarse (3–1 mm): Medium (1–0.1 mm): Fine (<0.1 mm) = 50:30:20; Mineralizer Technology: Composite Mineralizer (CaO + Fe₂O₃ + Nano-TiO₂); Conversion Rate Control: Tridymite ≥60%; Intelligent Firing Tunnel Kiln Temperature Profile: Before 600°C: Heating Rate 30°C/h; 600–1450°C: Oxidizing Atmosphere; Holding at 1450°C: 8–12 hours III. Application Scenarios Typical Application Areas and Technical Benefits: Coking Industry—Coke Oven Carbonization Chamber Life 8–10 Years; Glass Manufacturing—Melting Furnace Crown Arch: Corrosion Resistance Improved by 40%; Iron and Steel Metallurgy—Hot Blast Stove Vault: Thermal Efficiency Increased by 15%; Ceramics Industry—Roller Hearth Kiln Load-Bearing Structure: Energy Savings of 20% IV. Performance Advantages Compared with Traditional Materials: High-Temperature Volume Stability: Expansion at 1450°C +1.2% (High-Alumina Brick Shrinkage 0.5%); Acid-Slag Resistance: Erosion Depth ≤1.5 mm (High-Alumina Brick ≥3 mm); Economic Analysis: Raw Material Cost: 60–70% Lower than Zirconia-Alumina Brick; Maintenance Interval: Three Times Longer than Clay Brick V. Physicochemical Indices (GB/T 2026–SG): 1. Basic Properties: Refractoriness: ≥1710°C; Room-Temperature Compressive Strength: ≥30 MPa (High-Density Type ≥50 MPa); High-Temperature Characteristics: True Density: 2.33–2.38 g/cm³; Residual Linear Change: +0.2% to +0.8% (at 1450°C for 2 hours); Special Requirements: Alkali-Vapor Resistance: Weight Gain Due to Na₂O Erosion ≤0.5%; Thermal Conductivity (at 1000°C): 1.6 W/(m·K)
Do you want to get a complete solution as soon as possible?
Click the button to submit your request information, and we’ll contact you promptly once we receive it.
Contact Us
whatsapp:+8615936268068
Phone:+86-15936268068
Email:zzjsrefractory@gmail.com
Address: Chengguan Industrial Zone, Xinmi City, Henan Province
Tiktok
Copyright © Zhengzhou Jinshan Refractories Material Co., Ltd.
Powered by www.300.cn Supports IPV6 Privacy Agreement