How do you ensure product quality?

Products are strictly inspected before shipment, and we have a complete quality system following ISO9001 standards.

How are quality problems solved?

If products do not match confirmed samples or have quality issues, our company will be responsible for compensation.

What certifications do you have?

We have ISO9001 and Test Reports, and we can apply for other necessary certifications.

What is the service life of your bricks?

The service life varies depending on the type of brick and the customer's usage conditions and methods.

Lz-55 Lz-65 Lz-80 High-Alumina Refractory Fire Brick for High Temperature Kilns

Name: Lz-55 Lz-65 Lz-80 High-Alumina Refractory Fire Brick for High Temperature Kilns
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 2042833705

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$330.00

1-19 Tons

US$300.00

20+ Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Reverberatory Furnace

Material

Alumina Block

Model NO.

SK32 SK34 SK36 SK38

Refractoriness (℃)

1580< Refractoriness< 1770

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%, ensuring superior refractory performance.

Wide Application Scope: Ideal for cement kilns, glass furnaces, steel ladles, and various high-temperature equipment.

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

ISO9001 Certified Quality: Strict quality control from raw materials to production, certified by ISO9001 standard.

Professional Technical Support: Professional engineers provide application guidance, installation, and operation training.

Large Production Capacity: Annual capacity up to 60,000 tons with complete production and testing equipment.

Trade Assurance Protection: Every order is covered by Trade Assurance for secure and reliable transactions.

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: ≤1.08h

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.