What is the hardness of the corundum bricks?

They possess exceptional hardness of 9.0 on the Mohs scale.

High Grade Refractory Material Refractory Corundum Brick

Name: High Grade Refractory Material Refractory Corundum Brick
Brand: Jinan Xiazhimu New Materials Co., Ltd.
SKU: 2138137552

Shandong, ChinaJinan Xiazhimu New Materials Co., Ltd.

US$20.00-150.00

50 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Refractoriness (℃)

1770< Refractoriness< 2000

Shape

Plate

Al2O3 %

85%

C%

2.5%

B.D(≥g/cm3)

2.9

a.P.P(≤%)

C.C.S(≥MPa)

100

Transport Package

Wooden Case

Trademark

XIAZHIMU

Origin

China

HS Code

69029000

Production Capacity

50000ton/Year

Key features

High Purity Composition: Composed of high-purity tabular alumina and fused alumina with Al2O3 exceeding 90%.

Exceptional Hardness: Features a Mohs hardness of 9.0, ensuring durability in extreme industrial environments.

Superior Thermal Shock Resistance: Designed to withstand rapid temperature changes and high-temperature hydrogen attack.

Corrosion Resistance: Withstands corrosion in both oxidizing and highly reducing atmospheres.

Customizable Shapes: Available in custom plates and shapes including straight, arches, and wedges.

High Density and Low Porosity: Exhibits outstanding characteristics of high density and low porosity for longevity.

Wide Industrial Application: Suitable for steel, petrochemical, glass, and fertilizer production industries.

Company profile

Jinan Xiazhimu New Materials Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.30h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with no stated parent-group affiliation and offers a range of steelmaking refractory products. It reports ISO 9001 certification, customization and ODM services, OEM service for known brands, and SDK availability. Export sales represent 71%–90% of total sales, supported by self-operated import/export rights, although export experience is stated as three years. Overseas support is limited to repair and training according to customer requirements, with no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. Financial records are indicated for 2022–2024, but the slices do not provide sufficient detail to assess financial strength. The supplier has documented corrective-action, complaint-handling, and supplier-assessment procedures. Production scale and staffing data are internally inconsistent, so production capability cannot be confidently assessed.

Supplier typeThe supplier is identified as a limited company and is not part of a larger company group. It offers multiple refractory products, including slide-gate components, tundish products, ladle products, and related refractory materials.

CertificationsThe supplier reports certification of its management system under ISO 9001. This is explicit evidence of holding a recognized quality-management certification.

After-Sales capabilityThe supplier offers repair and training services in overseas markets according to customer requirements and has documented complaint-handling and corrective/preventive-action procedures. However, it has no overseas agents or branches, warehouses, or showrooms, which limits the stated local service infrastructure.

R&D capabilityThe supplier reports OEM service for known brands, SDK availability, ODM services, broad design customization, and 11–20 years of total R&D-engineer experience. However, it also states that no new product was developed during the past year, so the evidence supports established development capability but not recent product innovation.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, and also offers ODM services. These statements directly demonstrate broad customization coverage.

Product Q&A

Q:What is the purity level of the corundum bricks?

The bricks are primarily composed of aluminum oxide with a purity typically exceeding 90%, and some grades offer ultra-high purity of 99% Al2O3.

Q:Are custom shapes available for these bricks?

Yes, they are available in standard sizes and custom plates and shapes such as straight, arches, and wedges.

Q:What industries use these refractory bricks?

They are extensively used in metallurgy, petrochemicals, glass & ceramics, and energy sectors like waste incinerators.

Q:What is the lead time for production?

The average lead time is 1-3 months, applicable for both peak and off-peak seasons.

Q:Do the bricks offer thermal shock resistance?

Yes, they exhibit excellent thermal shock resistance and are designed to withstand rapid temperature changes.

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High Grade Refractory Material Refractory Corundum Brick