What is the hardness of the ceramic disc?

The hardness is Mohs 9 for both 95% and 99% Al2O3 variants.

Alumina Ceramic Disc Valve Ceramic Disc for Water Valve

Name: Alumina Ceramic Disc Valve Ceramic Disc for Water Valve
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 804276055

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

US$0.03-1.00

5,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Feature

Long Time Materials, Instant Materials

Refractoriness (℃)

1580< Refractoriness< 1770

Model NO.

RY-29

Shape

Plate

Type

Heat-Resistant Material

Material

Alumina Cement

Transport Package

Wooden Box

Specification

0.1

Trademark

Origin

China

HS Code

8484100000

Production Capacity

1000000000

Key features

High Alumina Content: Available in 95% and 99% Al2O3 purity for superior performance.

High Hardness & Strength: Mohs hardness of 9 and bending strength up to 360 Mpa.

Low Water Absorption: Zero water absorption and porosity for durability.

Customization Available: Customization from designs and samples is supported.

Low MOQ: Minimum order quantity is just 1 piece.

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: ≤9.86h 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.