Qingdao Leadsun Refractory Co., Ltd
| Payment Terms | L/C,D/P,T/T,Western Union |
| Supply Ability | 1000 tons/month |
| Delivery Time | 20 days |
| Packaging Details | Wooden Box |
| Refractoriness | 1300-1900C |
| Size | customizable |
| Package | pallet |
| Type | AZS 33 ZAS36 AZS41 |
| Color | white |
| Production | Casting |
| Brand Name | LEADSUN |
| Model Number | AZS33# AZS36# AZS41# |
| Certification | ISO CE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,D/P,T/T,Western Union | Supply Ability | 1000 tons/month |
| Delivery Time | 20 days | Packaging Details | Wooden Box |
| Refractoriness | 1300-1900C | Size | customizable |
| Package | pallet | Type | AZS 33 ZAS36 AZS41 |
| Color | white | Production | Casting |
| Brand Name | LEADSUN | Model Number | AZS33# AZS36# AZS41# |
| Certification | ISO CE | Place of Origin | CHINA |
| High Light | Fused Cast AZS Brick ，Glass Furnace AZS Brick ，AZS Corundum Brick | ||
Fused Cast AZS (Zirconia Corundum) Bricks are produced by electrically melting high-purity alumina powder and zircon sand, then casting into molds and cooling. The main components are Al₂O₃, ZrO₂, and SiO₂.
These bricks offer high strength, excellent thermal shock resistance, strong corrosion resistance to molten glass, high refractoriness under load, and high density. They are widely used in glass melting furnaces, non-ferrous metal furnaces, and special steel furnaces, especially in glass-contact and superstructure areas.
According to ZrO₂ content, AZS bricks are classified into AZS 33, AZS 36, and AZS 41. Standard and customized shapes are available to meet different application requirements.
| Specification | ||||
|---|---|---|---|---|
| ITEM | SPEC | |||
| AZS-33# ER 1681 |
AZS-36# ER 1685 |
AZS-41# ER 1711 |
||
| Chemical Composition |
Al2O3 | ≥50.00 | ≥49.00 | ≥45.00 |
| ZrO2 | ≥32.50 | ≥35.50 | ≥40.50 | |
| SiO2 | ≤15.50 | ≤13.50 | ≤13.00 | |
| Na2O+K2O | ≤1.30 | ≤1.35 | ≤1.30 | |
| Bulk density g/cm3 | ≥3.75 | ≥3.85 | ≥4.00 | |
| Apparent Porosity % | ≤1.2 | ≤1.0 | ≤1.2 | |
| Cold Crushing Strength Mpa | ≥300 | ≥300 | ≥300 | |
| Exudation Temperature of Glass Phase | ≥1400 | ≥1400 | ≥1410 | |
| Bubble Separation Ratio(1300°C×10h) | ≤1.2 | ≤1.0 | ≤1.0 | |
| Anti-corrosion rate of glass liquid 1500°C×36h (mm/24h)% |
≤1.4 | ≤1.3 | ≤1.2 | |
| Apparent density (g/cm3) |
PT(RN RC N) | ≥3.50 | ≥3.50 | ≥3.70 |
| ZWS(RR EVF EC ENC) | ≥3.65 | ≥3.70 | ≥3.90 | |
| WS( RT VF EPIC FVP DCL) | ≥3.75 | ≥3.8 | ≥4.00 | |
Fused cast AZS blocks are widely used in both glass-contact areas and superstructure zones of glass melting furnaces.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
3000000-5000000
Employee Number:
5~20
Ecer Certification：
Verified Supplier
Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...
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