41 Zirconia Alumina Abrasive Grain for General Purpose Grinding

Overview

The AZS-41Y series is a premium fused cast zirconia alumina refractory block designed for extreme high-temperature environments such as glass melting furnaces and metallurgical reactors. With a nominal ZrO2 content of 41%, it delivers outstanding corrosion resistance, thermal stability, and mechanical strength. Available in multiple casting methods (PT, QX, ZWS, WS), it meets the most demanding industrial requirements.

Product Features

Precise Chemical Composition

• ZrO2 content 40.00% to 44.00%
• Al2O3 content Balance
• SiO2 less than or equal to 13.00%
• Na2O less than or equal to 1.30%
• Total impurities Fe2O3 TiO2 CaO MgO Na2O K2O less than or equal to 2.00%
• Ensures minimal glass phase exudation and maximum durability

Superior Physical Properties

• Bulk density greater than or equal to 3.95 g/cm3
• Apparent porosity less than or equal to 1.0%
• Static corrosion rate against glass at 1500 degrees Celsius less than or equal to 1.30 mm per 24 hours
• Glass phase exsolution temperature greater than or equal to 1400 degrees Celsius
• Bubble precipitation rate at 1300 degrees Celsius for 10 hours less than or equal to 1.0%
• Glass exudation rate at 1500 degrees Celsius for 4 hours less than or equal to 3.0%

Multiple Casting Methods

• PT conventional standard blocks
• QX tilt casting improving internal structure
• ZWS near shrinkage free casting reducing defects
• WS shrinkage free casting achieving maximum integrity
• Each method tailored to specific furnace geometry and performance requirements

Technical Specifications

Applications

• Glass melting furnace throat breast wall and bottom blocks
• Metallurgical furnaces requiring high zirconia content
• High wear areas in corrosive high temperature environments
• Foundries and ceramic kilns

Why Choose GWDLTHERM AZS-41Y

• Strict quality control based on international standards
• Multiple casting options to match your exact installation needs
• Proven performance in global glass and steel plants
• Fast delivery and custom sizing available

FAQ

Q1: What is the maximum service temperature?

A1: The AZS-41Y can operate continuously above 1600 degrees Celsius with glass phase stability maintained up to 1400 degrees Celsius.

Q2: Which casting method should I choose?

A2: PT for general use, QX for complex shapes, ZWS for moderate shrinkage control, and WS for critical zero defect zones.

Q3: Is the product suitable for soda lime glass?

A3: Yes, the low porosity and optimized chemistry make it ideal for soda lime borosilicate and lead crystal glass.

Q4: Do you provide test certificates?

A4: Yes, each batch includes full chemical and physical property reports.

Q5: What is the typical lead time for custom sizes?

A5: Custom sizes are typically delivered within 7 to 14 working days depending on the complexity and quantity of the order.