Is customization from designs or samples available?

Yes, we support customization from both designs and samples.

What types of ceramic tubes are offered?

We offer thermocouple protection tubes, single-hole insulated tubes, double-hole tubes, and four-hole tubes.

99% Al2O3 Aluminium Oxide Ceramic Tube

Name: 99% Al2O3 Aluminium Oxide Ceramic Tube
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 803723445

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

US$0.20-20.00

10 Pieces

Product profile

Customization

Available

Surface Treatment

Brushed

Refractoriness (℃)

1580< Refractoriness< 1770

Model NO.

RY-CT-0001

Feature

High Temperature, Long Time Materials, Instant Materials

Type

Refractory Material

Shape

Pipe

Material

Alumina Cement

Transport Package

Wooden Case

Specification

according customer request

Trademark

Origin

China

HS Code

690919000

Production Capacity

50000PCS Per Month

Key features

High Purity Al2O3: Available in 70-75%, 85%, 95%, and 99.7% Al2O3 content for various purity needs.

Customizable Dimensions: Outer dia. 7-120mm, Inner dia. 1-110mm, Length 10-2000mm; custom sizes available.

Low Water Absorption: High purity grades (95%, 99.7%) feature ultra-low water absorption below 0.25%.

Excellent Dielectric Strength: Dielectric strength ranges from 9 to 12 kv/mm depending on Al2O3 content.

Versatile Applications: Suitable for thermocouple protection tubes, insulated tubes, and refractory kiln tubes.

High Bending Strength: Mechanical strength up to 450 Mpa for 99.7% Al2O3 content variants.

Customization Support: Supports customization from designs and samples for specific industrial requirements.

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: ≤10.75h 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.