Zhengzhou Zhongkeda Refractory Materials Co., Ltd
Refractory Mortar
Refractory Mortar Manufacturer
High Performance Refractory Mortar for Fire Brick Laying, Furnace Repair and High Temperature Masonry Applications
Refractory mortar is a specially formulated high-temperature bonding material used for laying, repairing, and sealing refractory bricks in industrial furnaces, kilns, fireplaces, boilers, and thermal equipment. It is made from refractory aggregates, binders, and carefully selected additives to ensure excellent adhesion and thermal stability.
Compared with ordinary cement mortar, refractory mortar offers significantly higher temperature resistance, lower shrinkage, stronger bonding strength, and better compatibility with refractory bricks. It helps maintain the integrity of furnace linings and extends service life under repeated heating and cooling cycles.
Whether used for new furnace construction or maintenance projects, refractory mortar provides reliable performance in demanding high-temperature environments.
Main Application
Key Feature
• Excellent Bonding Strength：Provides strong adhesion between refractory bricks.
• High Temperature Resistance：Suitable for continuous high-temperature operation.
• Low Shrinkage：Minimizes cracking during heating.
• Excellent Workability：Easy to mix and apply.
• Thermal Shock Resistance：Performs well under repeated heating and cooling.
• Chemical Resistance：Resists slag and chemical attack.
• Long Service Life：Improves furnace lining durability.
• Customized Formulation：Available according to different brick types and applications.
Types of Refractory Mortar
|
Product Type |
Matching Brick |
Service Temp. |
Main Industries |
|
Fire Clay Mortar |
Fire Clay Brick |
≤1400°C |
Boilers, Kilns |
|
High Alumina Mortar |
High Alumina Brick |
≤1700°C |
Steel, Cement |
|
Insulating Mortar |
Insulating Brick |
≤1400°C |
Industrial Furnaces |
|
Silica Mortar |
Silica Brick |
≤1700°C |
Glass, Coke Oven |
|
Magnesia Mortar |
Magnesia Brick |
≤1800°C |
Steelmaking |
|
Phosphate Bonded Mortar |
High Alumina Brick |
≤1700°C |
Rotary Kilns |
Standard Packaging
• 25kg Paper Bag
• 50kg Bag
• Jumbo Bag
• OEM Packaging
Storage
• Store in a dry, ventilated environment.
• Keep away from moisture.
• Stack on pallets.
• Shelf life: 12 months under recommended storage conditions.
Why Choose ZKD Refractory
• 20+ Years Experience
• OEM Sizes Available
• Strict Quality Control
• Fast Delivery
• Factory Direct Price
• Export to 60+ Countries
Q: What is refractory mortar used for?
A: Refractory mortar is a specialized bonding material designed to join firebricks and high-temperature insulating materials. It withstands extreme heat, corrosion, and thermal cycling, making it ideal for use in kilns, furnaces, boilers, fireplaces, and chimneys.
Q:What is the difference between fireclay mortar and high alumina mortar?
A:•Fireclay Mortar: Contains lower Al₂O₃ content (approx. 30–45%), suitable for medium-temperature applications (1300–1400°C).
•High Alumina Mortar: Contains higher Al₂O₃ (≥ 65%), provides superior slag resistance and thermal shock performance, ideal for industrial kilns operating at 1400–1750°C.
Q: How do I choose the right type of refractory mortar for my application?
A: It depends on several factors:
•Service temperature
•Chemical environment (acidic, basic, neutral)
•Type of structure (furnace, fireplace, rotary kiln, etc.)
•Installation method (manual laying, gunning, self-leveling)
You can consult contact our technical support for tailored recommendations.
Q:What is the shelf life of refractory mortar?
A:ypically 6 to 12 months if stored in a dry, cool, and sealed environment. Moisture or prolonged storage may reduce bonding performance. Please refer to the product’s technical data sheet.
Q:Do you offer OEM/ODM services for fireplace or chimney mortar?
A:Absolutely. We provide customized packaging, branding, and formula adjustments for fireplace and chimney applications. Contact us for OEM collaboration details.
Q:Can refractory mortar be exported internationally?
A:Yes. We export to over 30 countries and offer customizable packaging (25kg bags, 50lb sacks, jumbo bags) that meet international shipping standards.
Q: Do you provide installation guides or videos?
A:Yes, we offer downloadable manuals, video tutorials, and technical support for proper installation, drying, and curing. Please check our [Technical Support] section.
Q: How do I inquire or get a quote for bulk refractory mortar?
A:Please fill out our [RFQ form] or contact us directly via email/WhatsApp. Let us know your required quantity, specifications, and destination port for a prompt quote.
