How long is delivery time?

The delivery time will be determined according to the quantity of the order.

How are your products' quality?

The products will be strictly inspected before shipment, so the quality could be guaranteed.

How to solve the quality problems?

If the products are not confirmed to customer samples or have quality problems, our company will be responsible to make compensation for it.

What is the service life of your bricks?

The service life of different bricks is unlike. It also depends on your using condition and method.

How about your company's certification?

ISO9001 and Test Report, also we could apply other necessary certification.

70% Alumina Refractory High Alumina Bricks for Hot Blast Furnace

Name: 70% Alumina Refractory High Alumina Bricks for Hot Blast Furnace
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 2008840215

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$0.65

500-4,999 Pieces

US$0.50

5,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Reverberatory Furnace

Material

Alumina Block

Model NO.

High Alumina Bricks

Refractoriness (℃)

1770< Refractoriness< 2000

Product Name

Refractory Bricks High Alumina Brick

Model Number

High Alumina Brick

Apparent Porosity

Less Than 23%

Bulk Density(Kg/M3)

2.0-2.5g/cm3

Cold Crushing Strength(MPa)

40~70MPa

Refractoriness Under Load (0.2MPa)

Min 1420

Color

Yellow

Certificate

ISO9001

Al2O3 Content (%)

48%-85%

Feature

Long Time Materials, Top Grade, Instant Materials

Type

Refractory Material

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

5000ton/Tons Per Year

Key features

High Alumina Content: Al2O3 content ranges from 48% to 85% for superior refractory performance.

Customizable Shapes: Special shapes and sizes can be customized according to customer requirements.

ISO 9001 Certified: Manufacturing process strictly follows ISO9001 quality management standards.

Low Thermal Conductivity: Features low bulk density and excellent thermal insulation properties.

Long Service Life: Designed for durability with good integrity and resistance to slag erosion.

OEM and ODM Services: Full customization available from samples or designs with professional support.

Large Production Capacity: Annual capacity up to 60,000 tons with multiple production lines and kilns.

Company profile

Years of Export ExperienceProduct Certification

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.87h

AI-Powered supplier vetting

SummaryThe supplier is a professional refractory-material and kiln-engineering supplier with capabilities covering shaped and unshaped refractory materials, castables, refractory cement, wear-resistant ceramics, graphite electrodes, kiln equipment, and related engineering services. It provides 3D design, sample/design-based customization, ODM, and OEM services, but reported no new products during the past year and has no SDK. Production information indicates two production lines and stated annual capacities including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and 50,000 tons of another refractory castable category. Quality and management certifications include CE, ISO9001:2015, ISO45001:2018, and ISO14001. Service procedures, complaint handling, corrective actions, and finished-product inspection are documented and followed. However, the supplier lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity...

Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates across refractory materials, castables, ceramics, graphite electrodes, kiln equipment, and kiln-related engineering services. This indicates a specialized industrial supplier rather than a general trading entity.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of formal quality, occupational safety, and environmental management coverage.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and quality assurance, and it maintains in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, so overseas physical service support is limited.

R&D capabilityThe supplier has three R&D engineers and provides 3D design, ODM, and OEM services, demonstrating design and development capability. However, it reported no new products in the past year and has no available SDK, so evidence of recent product innovation is limited.

Production capacityThe supplier operates two production lines and reports substantial annual capacities, including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and another 50,000-ton refractory castable category. It has defined equipment and finished-product inspection instructions, but lacks a valid contract between the factory and related subcontractor, creating a documented capacity-governance concern.

Customization capabilityThe supplier explicitly offers customization from samples and designs, 3D software design services, and ODM services. These combined capabilities directly support customized product development and manufacturing.