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.

Low Porosity 97 Fire Magnesium Oxide Refractory Bricks Fire-Resistant Magnesia Brick

Name: Low Porosity 97 Fire Magnesium Oxide Refractory Bricks Fire-Resistant Magnesia Brick
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1953959885

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$300.00-750.00

1 Ton

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Application

Cement Industry, Chemical Industry, Coking Industry, Glass Industry, Steelmaking Industry, High Temperature Kiln

Content

98% Magnesia Brick

Performance

High-Purity Magnesia Firebrick

Production Process

Sintered Magnesia Brick

Softening Temperature

≥1650℃

Keyword

Magnesia Block Refractory Bricks

Size of Basic Refractory

230*114*65mm or Special S

Refractoriness

Super-Class (Refractoriness> 2000

Apparent Porosity

Max 16%

Applications

Iron Steel Furnace, Glass Furnace, Ceme

Refractory Brick Feature

High Refractoriness

Cold Crushing Strength

Min 60 MPa

Reheating Linear Change(1650 °c,2h)

0~-0.4

Advantage

Resist Basic (Alkaline) Slag

Refractoriness (℃)

1580< Refractoriness< 1770

Feature

Long Time Materials, High Temperature Resistance, Instant Materials

Type

Refractory Material

Shape

Brick

Material

Magsite

Transport Package

International Standard

Specification

Customizable

Trademark

Zhengzhou Rongsheng Refractory Co., Ltd.

Origin

Zhengzhou Rongsheng Refractory Co., Ltd.

HS Code

690220000

Production Capacity

500ton/Tons Per Year

Key features

High Purity Magnesia Content: Contains over 90% magnesium oxide with periclase as the main crystal phase.

Superior Slag Resistance: Excellent resistance against basic alkaline slag erosion in steelmaking furnaces.

Customizable Dimensions: Available in standard sizes or fully customized based on customer drawings.

Wide Industrial Application: Suitable for steelmaking, glass furnaces, cement kilns, and high-temperature tunnels.

Multiple Grade Options: Offers MgO content ranging from 92% to 98% to meet specific needs.

OEM and ODM Services: Accepts customization from samples and designs with professional engineering support.

ISO Quality Certified: Manufactured under ISO9001:2015 and ISO45001:2018 management systems.

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: ≤1.93h

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.