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.

Cheap Price Refractory Mullite Block Light Weight Insulating Mullite Fire Brick for Furnace Insulation

Name: Cheap Price Refractory Mullite Block Light Weight Insulating Mullite Fire Brick for Furnace Insulation
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 1952885735

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

Feature

Light Weight, Long Time Materials, Instant Materials, Top Grade

Refractoriness (℃)

1580< Refractoriness< 1770

Shape

Brick

Product Name

Mullite Refractory Brick

Processing Service

Cutting, Moulding

Usage

Glass Furnace, Steel Converter .etc

Quality

High Quality

Package

Carton with Pallet

Al2O3

More Than 77

Sio2

Fe2o3

Less Than 0.4

Material Feature

Firebrick

Price

Factory Outlets

OEM

Yes

Type

Refractory Material

Material

Mullite

Transport Package

International Standard

Specification

Customizable

Trademark

Zhengzhou Rongsheng Refractory Co., Ltd.

Origin

Zhengzhou Rongsheng Refractory Co., Ltd.

HS Code

6902200000

Production Capacity

500ton/Tons Per Year

Key features

High Alumina Content: Contains 65-75% alumina with mullite as main crystal phase.

Excellent Thermal Shock Resistance: Withstands up to 18 water cycles at 1000C without damage.

High Refractoriness: Temperature resistance ranges from 1580C to 1770C.

Strong Acid Erosion Resistance: Durable performance in harsh acidic industrial environments.

Customizable Processing: Available with cutting and moulding services for specific needs.

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

High Thermal Conductivity: Efficient heat transfer with values up to 1.95 W/MK.

Low Thermal Expansion: Coefficient as low as 0.55 x 10^-6/C for stability.

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: ≤1.92h

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.