How do you ensure product quality?

Products are strictly inspected before shipment, and we compensate for any quality problems.

What is the service life of the bricks?

Service life varies based on the brick type and your specific usage conditions and methods.

What certifications do you have?

We have ISO9001, ISO45001, ISO14001, CE, and Test Reports, and can apply for other necessary certifications.

Jm23 Jm32 K23 Refractory Bricks White Light Weight Insulating Mullite Porous Fired Brick

Name: Jm23 Jm32 K23 Refractory Bricks White Light Weight Insulating Mullite Porous Fired Brick
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 2026697665

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$0.20-1.00

500 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Feature

Light Weight, Long Time Materials

Refractoriness (℃)

1580< Refractoriness< 1770

Shape

Brick

Product Name

Mullite Insulation Bircks

Cold Compressive Strength

1.2-2.5 MPa

Bulk Density

0.55-1.03 g/cm3

Fe2o3

Max 1.0%

Softening Temperature Under Load

More Than 1420

Apparent Porosity (%)

More Than 62%

Usage

Glass Furnace, Steel Converter .etc

Price

Factory Outlets

Keyword

Light Weight Insulation Mullite Bricks Sta

Samples

Provide

Keyword 1

Insulation Brick

Type

Refractory Material

Material

Mullite

Transport Package

Wooden Box

Specification

Customizable

Trademark

RSNC

Origin

China

HS Code

6902200000

Production Capacity

10000t/Year

Key features

Light Weight & Insulation: Low bulk density and thermal conductivity for excellent energy saving and temperature preservation.

OEM/ODM Customization: Supports customization from samples and designs, including special shaped bricks.

Wide Application: Suitable for metallurgy, chemical, glass furnaces, and incineration kilns.

Long Service Life: Durable material with good mechanical intensity and long-term performance.

Professional Manufacturer: Factory in Henan, China with over 10 years experience and ISO certifications.

Quality Assurance: Strict inspection before shipment; compensation provided for quality issues.

Flexible Payment: Accepts T/T, L/C, Western Union, and other secure payment methods.

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: ≤1.05h

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.