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{"title":"High Strength 2.95g\/cm3 Magnesia Spinel Brick For High Temperature Kiln","imgUrl":"https:\/\/img.chinax.com\/nimg\/30\/4f\/192039a3778d0576a2598e16d25c-200x200-1\/high_strength_2_95g_2fcm3_magnesia_spinel_brick_for_high_temperature_kiln.jpg","attrs":{"Brand Name":"CH Refractories","Model Number":"MAGE","Certification":"ISO","Place of Origin":"China"}}
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{"title":"230*114*65mm Fire Refractory Bricks","imgUrl":"https:\/\/img.chinax.com\/nimg\/07\/4b\/74fe80cf9861f16e045f1a25cde9-200x200-1\/230_2a114_2a65mm_fire_refractory_bricks.jpg","attrs":{"Brand Name":"CH Refractories","Model Number":"CH-N","Certification":"ISO","Place of Origin":"China"}}
{"title":"High Temp 1790 Degree 95% Fire Refractory Bricks Corundum Brick","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/e9\/e07d9dc9544c6362483acbdff247-200x200-1\/high_temp_1790_degree_95_25_fire_refractory_bricks_corundum_brick.jpg","attrs":{"Brand Name":"CH Refractories","Place of Origin":"China","Minimum Order Quantity":"1 Ton","Price":"USD 500-1000 per Ton"}}
{"title":"Fire Clay Brick 45% Al2O3 Content Clay Fire Bricks Fire Rated Bricks Fire","imgUrl":"https:\/\/img.chinax.com\/nimg\/0c\/46\/fc04c5feb858db2abed8bd4b07a9-200x200-1\/fire_clay_brick_45_25_al2o3_content_clay_fire_bricks_fire_rated_bricks_fire_retardant_bricks.jpg","attrs":{"Brand Name":"CH Refractories","Model Number":"CH-N","Certification":"ISO","Place of Origin":"China"}}
Phosphate-bonded high alumina bricks are engineered for specialized industrial applications where conventional refractory materials prove inadequate. In the chemical industry, these bricks line acid pickling tanks, sulfuric acid production reactors, and fertilizer manufacturing equipment, providing exceptional resistance to acidic corrosion in harsh chemical environments. In the steel industry, they serve as linings for electric arc furnace roofs and ladle slag zones, where their high mechanical strength and thermal shock resistance withstand extreme operating conditions.
The phosphate bonding system delivers excellent thermal shock resistance, enabling these bricks to endure rapid temperature changes up to 1200°C without structural degradation, while maintaining low porosity and high dimensional stability throughout their service life.
Technical Specifications
Brands
Ordinary phosphate brick
Phosphate combined wear-resistant brick
Special phosphate brick
Phosphate composite brick
Items
CH-PZ75
CH-PA75
CH-PT80
Heavy part | Lightweight part
AL2O3/%
75
75
80
75 | 55
Fe2O3%≤
2.1
2.1
1.8
2 | 1.5
Refractoriness /℃
1770
1770
1790
1770 | ----
Bulk density (110℃×24h) g/cm³
2.7
2.75
2.9
2.8 | 1
Compressive strength/ MPa ≥
70
75
80
75 | 5.5
0.2Mpa refractoriness under load /℃≥
1350
1300
1520
1350 | ---
Thermal shock resistance(1100℃)/time
20
20
15
---- | -----
Key Advantages
Higher strength and excellent wear resistance
Superior chemical resistance with better alkali resistance than clay bricks and high alumina bricks
Exceptional thermal shock resistance
Higher load softening temperature
Custom molds available according to different size requirements at no additional cost
Primary Applications
Transition zone of rotary kilns, kiln mouths, kiln door covers, cooler linings, and other refractory brick areas prone to loosening and falling.
Product Images
Packaging and Delivery
Manufacturing Excellence
CH Refractories has specialized in fire bricks, castables, and ramming mass manufacturing for over 30 years. Our products have been exported to numerous countries including Pakistan, Korea, Malaysia, Indonesia, Germany, and others. With more than 100 professional engineers ensuring stable product quality, we prioritize high-quality and safety standards in all our refractory products.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1984
Total Annual:
50000000-80000000
Employee Number:
200~500
Ecer Certification:
Verified Supplier
Zhengzhou Caihua Kiln Masonry Installation Co., Ltd. was established in 1984 in the brand of CH REFRACTORIES provides the highest quality of refractories and knowledge coupled with leading source of R&D advancements. Our seasoned team provides the expertise passion and attention to detail provid... Zhengzhou Caihua Kiln Masonry Installation Co., Ltd. was established in 1984 in the brand of CH REFRACTORIES provides the highest quality of refractories and knowledge coupled with leading source of R&D advancements. Our seasoned team provides the expertise passion and attention to detail provid...