Rongsheng Low Porosity Fire Clay Brick for Hot Blasting Furnace
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Product Highlights
- High Mechanical Strength: Cold Crushing Strength exceeds 25 MPa for superior durability.
- Low Porosity Structure: Apparent porosity is less than 22%, ensuring compact structure.
- Excellent Thermal Shock Resistance: Maintains stability under low and medium temperature fluctuations.
- Customizable OEM/ODM: Supports custom shapes and sizes based on customer drawings.
- Corrosion & Slag Resistance: Resists acid erosion and slag attack in harsh environments.
- ISO Certified Quality: Manufactured under ISO9001:2015 and ISO14001 standards.
- Wide Industrial Application: Suitable for blast furnaces, cement kilns, and steel-making.
Product Attributes
- Customization
- Available
- Application
- Blast Furnace, Cement Kiln, Ceramic Kiln, Chemical Kiln, Glass Kiln, Steel-Making Furnace, Industrial Furnace, Metallurgy
- Material
- Light Weight Silica-Alumina, Fireclay Brick
- Model NO.
- ZMN-45 ZMN-42 ZMN-42L ZMN-40
- Refractoriness (℃)
- 1580< Refractoriness< 1770, 1770< Refractoriness< 2000
- Type
- Refractory Material
- Product Name
- Low-Porosity Clay Brick
- Weight of Brick
- 3-4kg/Pices
- Bulk Density g/cm3
- 2.00-2.35
- Apparent Porosity/%
- Less Than 22
- Cold Crushing Strength MPa
- More Than 25
- Permanent Linear Change
- More Than1100
- Refractoriness°c
- More Than1700
- Color
- Yellow
- Certificate
- ISO9001
- Feature
- Long Time Materials, Top Grade, Instant Materials
- Shape
- Brick
- Transport Package
- International Standard
- Specification
- Customizable
- Trademark
- Zhengzhou Rongsheng Refractory Co., Ltd.
- Origin
- Zhengzhou Rongsheng Refractory Co., Ltd.
- HS Code
- 6902200000
- Production Capacity
- 500ton/Tons Per Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Rongsheng Low Porosity Fire Clay Brick For Hot Blasting Furnace
Description of Low-porosity Clay Brick
Low-porosity clay bricks have the characteristics of compact structure, low porosity, high cold crushing strength, acid resistance and slag erosion resistance, high refractoriness under load and good thermal shock resistance under low and medium temperature.
Features Of Fire Clay Brick
1.High refractoriness,
2.High-temperature endurable .
3.Good corrosion resistance.
4.Good spalling resistance and wear resistance.
5.Good thermal shock resistance.
6.High mechanical strength.
7.High-temperature creep rate is low.
8.Good volume stability at high temperature.
Specifications Of Low-porosity Clay Brick
Standard sizing: 230 x 114 x 65 mm ,Special size and OEM Service also provide!
The size is precise, providing kinds of shapes according to customer's drawing
Physical And Chemical Indicators Of Low-porosity Clay Brick
| Item | Specification | |||
| ZMN-45 | ZMN-42 | ZMN-42L | ZMN-40 | |
| Al2O3 % | ≥45 | ≥42 | ≥42 | ≥42 |
| Fe2O3 % | ≤1.2 | ≤1.5 | ≤1.8 | ≤1.7 |
| P2O5 % | / | / | ≥5 | / |
| Apparent Porosity, % | ≤12 | ≤15 | ≤14 | ≤17 |
| CCS, MPa | ≥80 | ≥70 | ≥70 | ≥55 |
| 0.2MPa RUL, ºC | ≥1500 | ≥1460 | ≥1450 | ≥1420 |
| PLC, % | 1450ºC×3h -0.2~0.1 |
1450ºC×3h -0.2~0.1 |
1450ºC×3h -0.2~0.1 |
1400ºC×2h -0.4~0 |

Our main products: refractory material for industrial furnaces, such as high-alumina brick, clay brick, silicon brick,
high-strength diatomite brick, light weight insulation brick, low iron mullite brick, etc.; anti-stripping alumina brick, alkali
proof brick, phosphate brick for cement industry; For the industrial furnace and power boiler, we can provide abrasive brick,corundum brick, mullite brick, wear resistant castable, corundum castable, high strength low cement castable, impervious material,plastic refractory, etc.

Low-porosity Clay Brick Suitable For
1.Iron & steel making industry
Blast furnace, hot blast furnace(stove), pellet shaft furnace, hot metal ladle, steel ladle, tundish, eating furnace, soaking pit furnace, heat treatment furnace, refining furnace, reheating furnace, metal mixter furnace, cupola furnace etc thermal technology equipment
2.Non-ferrous Metal industry
Smelting furnace, reverberatory furnace etc
3.Building materials industry
Cement kiln, glass kiln, ceramic kiln, lime kilns, kiln car, tunnel kiln, rotary kiln
4.Energy&Incineration
Coke oven, general boiler, power generation boiler, circulating fluidized bed boiler, electric furnace, carbon roasting furnace, waste incinerators
5.Others
Petrochemical industry furnace, Pizza oven
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;

RS Refractories Co., Ltd. is located in Henan, China. Our company has professional scientific and technical personnel and production team, and we have our own fully automated factories. For more than ten years, we have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 70 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
RS Refractories Co., Ltd. is a first-class supplier of refractory materials, we can provide you with the most advantageous quotations and products. Looking forward to be your partner!

About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2591342". Items marked "" are certified.
Company Profile
Rongsheng Refractory specialize in refractory products for nearly 30 years, covering a full range of High Alumina Bricks, Sillica Bricks, Fused AZS 33/36/41 Bricks, Mullite JM 23/26/28/30 Bricks, Magnesia Bricks, Magnesia Chrome Bricks, Magnesia Carbon Bricks, SiC Bricks, Dense and Light Weight Insulaing Castables, Graphite Electrode and other related products for more sophisticated applications.
Our products are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries. The company has an automatic production line with an annual output of 80, 000 tons of intelligent unshaped refractory products. Its products are sold in more than 120 countries around the world and have won wide acclaim from customers.
Rongsheng Refractory pays attention to technological innovation and product research and development, and has established close cooperative relations with many universities and scientific research institutes. It has successively established technical research and development centers and product testing laboratories, and has advanced refractory physical and chemical testing equipment. The company has also passed the quality management system, environmental management system, occupational health and safety management system certification, high-tech enterprise certification, etc.
We have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 120 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
We can provide you with the most advantageous quotations and products. Looking forward to be your partner!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 10th/11th Floor, Building 6, China Central Electronic Commerce Port, Daxue Road, Erqi Dist, Zhengzhou, Henan, China
-
Plant Area
- 8004 square meters
-
Number of Employees
- 133
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 ton
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Refractory Brick, Refractory Castable, Graphite Electrode, Refractory Cement, Ramming Mass, High Alumina Bricks, Magnesia Bricks, Corundum Bricks, Mullite Bricks, Insulation Bricks
-
Production Lines
- 2
-
Production Machines
- Crushing Machine, Packing Machine, Storage Bin, Mixing Machine
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-03-23
-
Export Year
- 14 years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Africa, Middle Asia
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 32
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What are the main features of this fire clay brick?
- It features compact structure, low porosity, high cold crushing strength, acid resistance, slag erosion resistance, high refractoriness under load, and good thermal shock resistance.
- Can the size and shape be customized?
- Yes, we provide special sizes and OEM service. We can provide various shapes according to customer drawings.
- What is the minimum order quantity?
- The minimum order quantity is 1 ton.
- What is the lead time for production?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
- What certifications does the product have?
- The product has ISO9001 certification, and the company holds ISO9001:2015, ISO45001:2018, and ISO14001 management system certifications.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.
- Is OEM service available?
- Yes, both OEM and ODM services are available, including customization from samples and designs.
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