What are the common sizes available?

Common sizes include 230x114x65mm, 230x114x75mm, and 220x110x60mm.

What industries can use this refractory brick?

It is used in steel making, non-ferrous metal, building materials, and energy industries.

Mullite Refractory Insulation Brick for Ceramic Tunnel Kiln Insulating Fire Bricks

Name: Mullite Refractory Insulation Brick for Ceramic Tunnel Kiln Insulating Fire Bricks
Brand: Gongyi Yuying Refractory Co., Ltd.
SKU: 786252092

Henan, ChinaGongyi Yuying Refractory Co., Ltd.

US$120.00-320.00

1 Ton

Product profile

Customization

Available

Feature

Long Time Materials

Refractoriness (℃)

1770< Refractoriness< 2000

Shape

Brick

Type

Refractory Material

Al2O3(%)

65-95

Refractoriness Under Load

1450-1650

Apparent Porosity

18-25

Bulk Density

2.3-3.1

Cold Crushing Strength

13-36

Thermal Shock Resistance

7-20

Refractoriness

1710-1800

Product Name

High Temperature Resistance Refractory Ceramic Bal

Water Absorption

<0.01%

Sample

Free

Hardness

Cold Crushing Strength

39-65

Reheating Linear

0.1

Change

0.4

Refractoriness Under Load

1420

Transport Package

25kg/Bag or 500kg/Bag

Specification

According to your requriment

Trademark

N/M

Origin

China

HS Code

6909120000

Production Capacity

3500

Key features

Excellent Thermal Shock Resistance: Resists thermal shock up to 20 cycles.

High Mechanical Strength: Cold crushing strength ranges from 13 to 65 MPa.

Low Porosity: Apparent porosity as low as 12% for durability.

Customizable Sizes: Available in standard sizes and custom dimensions.

OEM and ODM Services: Flexible customization options for manufacturing needs.

Wide Application Range: Suitable for steel, ceramic, and cement industries.

Fast Lead Time: Production within 15 working days during peak and off-peak seasons.

Company profile

$Gongyi Yuying Refractory Co., Ltd.$

Quality AssuranceProduction Process VisualizationManagement CertificationR&D Capabilities

Gongyi Yuying Refractory Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.81h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing capacity, producing activated carbon and multiple abrasive, refractory, and water-purification materials. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports quality assurance, ODM, OEM, and flexible customization capabilities. However, several operational controls are weak or undocumented: raw-material traceability is absent, finished-product inspection is random, and corrective-action, complaint-handling, and supplier-assessment procedures lack written records. The supplier has no stated inventory, overseas warehouse, overseas agent or branch, showroom, or overseas service coverage. Innovation evidence is limited, with no new products in the last year, no SDK, and one R&D engineer. Financial records are only identified by year, without substantive financial metrics, so financial credibility cannot be determined.

Supplier typeThe supplier appears to be a manufacturer of industrial materials, with listed crushing, grinding, and classifying facilities and stated products including activated carbon, abrasive materials, refractories, and water-purification materials. The information supports a manufacturing supplier classification rather than a pure trading or service-provider classification.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications in both sustainability and management-system records. These certifications explicitly support formal quality, occupational safety, and environmental management coverage.

R&D capabilityThe supplier reports no available SDK, no new products launched in the past year, and one R&D engineer. Although it offers ODM services, the explicit evidence indicates limited demonstrated internal innovation output.

Production capacityThe supplier states annual activated-carbon productivity of 200,000 tons and describes annual output of abrasive materials, refractories, and water-purification materials, supported by multiple production facilities and lines. However, it reports no in-stock capacity and no valid manufacturing-capacity contract with affiliated subcontractors, so production scale is demonstrated but fulfillment safeguards are incomplete.

Customization capabilityThe supplier explicitly reports flexible customization, ODM availability, and OEM capability for popular brands. These three capabilities directly support customized design and branded manufacturing requirements.