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.

Large Volume Density 65% Alumina Grinding Refractory Ball for Sale

Name: Large Volume Density 65% Alumina Grinding Refractory Ball for Sale
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1955671935

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$700.00

1-4 Tons

US$500.00

5-49 Tons

US$300.00

50+ Tons

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Feature

Long Time Materials, Instant Materials, Hot Products

Refractoriness (℃)

Refractoriness> 2000

Shape

Ball

Product Name

High Alumina Refractory Ball

Sio2 Content (%)

50%~65%

Al2O3 Content (%)

65%~95%

MGO Content (%)

0.8-1.2

Cao Content (%)

0.34%

Refractoriness (Degree)

Super-Class (Refractorines

Cro Content (%)

0.002%

Sic Content (%)

1.2-1.4

Model Number

Refractory Balls, Customer's Requirem

Cold Crushing Strength(MPa)

13~36

Application

Insulation Furnace

Bulk Density(g/cm3)

2.3~3.1

Size(mm)

40-80mm

Apparent Porosity(%)

25~18

Thermal Shock Resistance

7~20

Type

Refractory Material

Material

Alumina Block

Transport Package

International Standard

Specification

Customizable

Trademark

China Zhengzhou Rongsheng

Origin

China Zhengzhou Rongsheng

HS Code

6902100000

Production Capacity

5000t Per Year

Key features

High Temperature Resistance: Heat resistant up to 1900 degrees Celsius with superior thermal stability.

High Mechanical Strength: Cold crushing strength ranges from 13 to 36 MPa for long-term durability.

Excellent Chemical Stability: No chemical reaction with materials, ensuring purity in chemical processes.

Customizable Alumina Content: Al2O3 content ranges from 65% to 95% based on customer requirements.

Wide Application Scope: Suitable for steel, fertilizer, petrochemical, and heating furnace industries.

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

Strict Quality Control: Products undergo strict inspection before shipment to guarantee quality.

Global Export Experience: Exported to over 70 countries including Europe, America, and Southeast Asia.

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: ≤1.66h

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.