Quick-drying Wear-resistant Refractory Castables are specially developed for fast construction, emergency maintenance, and high-efficiency lining repair in demanding high-temperature environments. Compared with conventional castables, this product features a significantly reduced setting and drying time, allowing faster furnace turnaround and minimizing downtime.

These castables are engineered with high-purity wear-resistant aggregates combined with optimized binders and advanced additives. The formulation ensures strong bonding performance while maintaining excellent mechanical strength, abrasion resistance, and thermal stability even after rapid drying.

They are widely used in Circulating Fluidized Bed (CFB) boilers, rotary kilns, and other high-wear industrial furnace systems where quick installation and long-term durability are both required.

Physicochemical Parameters

Item	XT-70	XT-75	XT-80	XT-85
Al2O3 % ≥	70	75	80	85
CaO % ≤	2.5	2.5	2.5	2.5
Bulk density g/cm3 >	2.6	2.75	2.8	2.9
Crushing strength Mpa(1400℃, 3h)	>90	>95	>105	>110
Modulus of rupture Mpa(1400℃, 3h)	>13.0	>13.5	>15.0	>16.0
Room temperature abrasion loss cm3	<9.6	<8.5	<7.3	<6
0.2MPa, refractoriness under load beginning temperature ℃	>1450	>1490	>1530	>1560
Thermal shock resistance(900℃, water cooling)/times	>20	>20	>20	>20
Max. working temperature ℃	1550	1550	1600	1600
Reheating linear change rate %	<-0.3	<-0.3	<-0.2	<-0.2

Product Features

Fast Drying Performance: Significantly reduces curing and heating time, improving furnace availability
High Wear Resistance: Excellent resistance to erosion from high-velocity particles in CFB systems
Strong Mechanical Strength: High early strength and final strength ensure stable lining performance
Excellent Thermal Stability: Maintains structural integrity under rapid temperature changes
Good Construction Performance: Easy mixing, pouring, and shaping for fast installation
Low Porosity & High Density: Enhances durability and resistance to slag and gas penetration
Volume Stability: Minimal shrinkage during drying and service

Applications

Quick-drying Wear-resistant Refractory Castables are ideal for both new installations and rapid repair operations in high-temperature environments, including:

CFB Boiler Lower Dense Phase Zone: Handles extreme abrasion and particle impact
Upper Furnace Areas: Resists erosion from high-speed flue gas flow
Cyclone Separators: Provides long-lasting protection against severe wear
Inlet & Outlet Zones: Suitable for high-stress transition areas
Return Feed Systems: Ensures durability in continuous circulation environments
Emergency Furnace Repair: Ideal for shutdown reduction and fast relining operations

Customization Services

We provide flexible customization solutions based on your operating conditions:

Adjustable Setting Time: Fast, medium, or controlled quick-dry versions
Custom Strength Grades: Designed for different abrasion and load requirements
Special Formulations: Optimized for specific fuels, temperatures, or chemical environments
Shape & Size Solutions: Support for complex furnace geometries and repair areas
Technical Support: Guidance for installation, drying curves, and furnace operation

Packing and Shipping Details

To ensure safe transportation and storage:

Standard Packaging: Moisture-proof, high-strength woven bags or paper-plastic composite bags
Bulk Shipment: Palletized and reinforced for industrial export
Custom Packaging: Available based on project requirements
Storage Conditions: Keep in dry, ventilated areas away from moisture

About Xintai Refractory

Xintai Refractory is a professional manufacturer specializing in high-performance refractory materials for industrial high-temperature applications. With over 20 years of experience, we provide a full range of products including refractory bricks, insulating bricks, and monolithic refractories.

Our materials are widely used in industries such as steel, cement, glass, ceramics, non-ferrous metals, and power generation. We are committed to delivering reliable quality, customized solutions, and long-term technical support for global customers.

For technical consultation or quotation requests, please contact us today.