What is the density of the alumina ceramic?

The bulk density is approximately 3.6 g/cm3 for 95% Al2O3 and 3.8 g/cm3 for 99% Al2O3.

Are free samples available?

Yes, free samples are provided to help customers evaluate the product quality before purchasing.

Alumina Ceramic Insulating Sheet Substrate by Factory Supplier

Name: Alumina Ceramic Insulating Sheet Substrate by Factory Supplier
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 894070445

Hunan, ChinaHunan Rui Yue Industrial and Trade Co., Ltd.

US$0.05-50.00

100 Pieces

Product profile

Customization

Available

Customized

Application

Papermaking, Food, Construction, Electronics, Metallurgy

Material

Alumina Ceramic

Feature

Wear Resistant

Corrosion Rate

0.001-0.01

Product Name

Alumina Ceramic Insulating Sheet Substrate

Shape

Square,Rectangle Ect.

Raw Material

95-99% Alumina Ceramic

Denisty

3.7g / Cm3

Color

White, Light Yellow

Surface Treatment

Smooth

Property

Insulated Ceramic Heating Element

Working Temperature

1480 Degree

Usage

Metallurgy,Mining,Textile,Paper-Making, etc.

Characteristic

Low Porosity

Sample

Free

Transport Package

by Carton

Specification

Customize

Trademark

Origin

Hunan China

HS Code

8547100000

Production Capacity

500000PCS Per Month

Key features

High Purity Alumina Material: Made from 95-99% Alumina Ceramic with low porosity and high density.

Superior Mechanical Strength: Features high flexural strength (320-360 Mpa) and Vickers hardness (12.2-15.6 Gpa).

Customizable Shapes: Available in Square, Rectangle, and other custom shapes based on design or samples.

Low Water Absorption: Zero water absorption ensures stability and durability in harsh environments.

Versatile Applications: Suitable for papermaking, food, construction, electronics, metallurgy, and mining.

Free Sample Available: Customers can request free samples to test quality before placing bulk orders.

Factory Direct Supply: Direct from manufacturer with 7 years export experience and reliable QA/QC.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Hunan Rui Yue Industrial and Trade Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 7 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤10.69h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier manufactures products used in lighting, electrical, heating, automotive, nozzle, and insulation-related applications, with exports reported to multiple regions and 90% of total sales from exports. It operates two production lines, has 21–30 quality-control staff, and reports finished-product inspection instructions that are uniformly followed, along with quality assurance and raw-material traceability. Customization is available from customer designs and samples. However, the supplier is not identified as a professional technical supplier, does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and reported no new products in the past year. After-sales and corrective-action procedures exist but lack written records. No evidence establishes certifications, formal overseas service infrastructure, inventory capability, or customer-specific case references.

Supplier typeThe supplier manufactures components and products for lamps, electrical and heating products, nozzles, automotive parts, and insulation applications. Its reported product scope, two production lines, production equipment, and broad export markets indicate a manufacturing-oriented supplier rather than a professional technical-service supplier.

R&D capabilityThe supplier reported no new products in the past year and does not provide 3D software design, ODM, or SDK services. It does offer customization from designs and samples, but the explicit evidence indicates limited product-development and technical innovation capability.

Production capacityThe supplier operates two production lines and has extensive listed equipment, 21–30 quality-control staff, standardized finished-product inspection instructions, and reported annual output above the stated threshold. Nevertheless, it lacks continuous quantity reconciliation, an outsourcing SOP, valid contracts with related subcontractors, inventory capacity, and overseas warehouse capability; production capacity is demonstrated, while manufacturing-control depth is mixed.

Customization capabilityBoth relevant slices explicitly state customization from customer designs and customization from samples. This supports the supplier’s ability to produce customized products based on provided specifications or physical samples, although no evidence confirms 3D or software-based design support.