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.

High Density Refractory Insulation Product Magnesium Brick Fire-Resistant Magnesia Bricks

Name: High Density Refractory Insulation Product Magnesium Brick Fire-Resistant Magnesia Bricks
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1954059065

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$1.50

500-1,999 Pieces

US$1.00

2,000-4,999 Pieces

US$0.60

5,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Application

Cement Industry, Chemical Industry, Coking Industry, Glass Industry, Steelmaking Industry, Industrial Furnace

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: Contains up to 98% MgO content for superior refractory performance.

Custom Size Options: Standard 230*114*65mm available; special sizes customizable per drawing.

OEM/ODM Service: Supports OEM and ODM services with customization from samples or designs.

Wide Industry Application: Ideal for steel, glass, cement, and chemical industries furnaces.

Strong Cold Crushing: Cold Crushing Strength (C.C.S) is at least 60 MPa for durability.

Low Apparent Porosity: Apparent porosity is max 16%, ensuring better slag erosion resistance.

Professional Manufacturer: Factory in Henan, China with over 10 years of refractory experience.

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: ≤1.57h

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.