Are these crucibles suitable for vacuum processes?

Yes, specific models are designed for vacuum coating of gasification aluminum, offering improved oxidation resistance and longer service life.

Corrosion Resistant Graphite Crucibles for Melting Transition Metal

Name: Corrosion Resistant Graphite Crucibles for Melting Transition Metal
Brand: Henan L.T Trade Co., Ltd.
SKU: 1910991025

Henan, ChinaHenan L.T Trade Co., Ltd.

Negotiable

1 Piece

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Color

Black

Shape

Cylindrical

Type

Graphite Crucible

Density

No More Than 12

Compressive Strength

More Than 70MPa

Porosity

Less Than 26%

Elasticity Modulus

6-18 Gpa

Thermal Expansion Coefficient

1.47-4.25

Ash Content

Less Than 0.05%

Temperature Resistance

Less Than 4350 Degree

Certification

CE, ISO

Refractoriness

Refractoriness> 2000

Transport Package

Plywood Cases

Specification

Customized

Trademark

L. T graphite

Origin

HS Code

3801909000

Production Capacity

10000/Month

Key features

Corrosion Resistance: Strong resistance to acid, alkaline solutions, and excellent chemical stability.

High Strength: Strength increases as temperature rises, ensuring durability under heat.

Low Thermal Expansion: Small thermal expansion coefficient provides anti-strain properties during rapid heating.

Excellent Conductivity: Features high electrical and thermal conductivity for efficient performance.

Heat Shock Resistance: Superior resistance to thermal shock and mechanical impact.

High Purity Options: Available in high purity fine particle and medium particle graphite types.

Vacuum Coating Application: Specially designed for vacuum metallizing and aluminum gasification processes.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryR&D Capabilities

Henan L.T Trade Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-05-09Nearest Port: Tianjin, ShanghaiAverage Response Time: ≤3.58hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing and customization capabilities, with ISO 9001 and ISO 14001 certifications, 11–20 quality-control staff, and stated production of terrazzo tiles and carbon graphite. It offers OEM and ODM services and multiple customization modes, while export activity represents 41%–50% of total sales. However, evidence indicates limited formal technical R&D capability: no SDK, no 3D software design service, no new products in the past year, and only one R&D engineer. Service and quality-management documentation is incomplete, with no written complaint-handling or corrective-action procedures and zero stated quality-control test equipment. The supplier lacks inventory, overseas warehouse, showroom, agent, and branch capabilities. Financial records are identified for 2021–2023, but their results are not provided, so financial credibility cannot be conclusively assessed.

Supplier typeThe supplier is presented as a manufacturing supplier producing terrazzo tiles and carbon graphite, rather than a professional technical supplier. It has export rights, 41%–50% export sales, and provides OEM/ODM services, while its stated business direction includes production-process innovation, new energy exploration, and environmental applications.

CertificationsThe supplier holds ISO 14001 and ISO 9001 certifications. These explicitly demonstrate certification in environmental and quality management systems.

After-Sales capabilityThe supplier has an average off-season lead time of one month and records of relevant service capability, but it has no written complaint-handling procedures or records, no written corrective and preventive-action procedures, and no inventory, overseas warehouse, showroom, agent, or branch service capability. This evidence shows material limitations in documented and overseas after-sales support.

R&D capabilityThe supplier provides customization and ODM services and has one R&D engineer responsible for new-product R&D and software design drawings. Nevertheless, it is not identified as a professional technical supplier, has no SDK, does not provide 3D software design services, and reported no new products in the past year; therefore, formal innovation capability is explicitly limited.

Production capacityThe supplier reports production of 500,000 square meters of terrazzo tiles and carbon graphite output, has 11–20 quality-control staff, and lists five qualified suppliers for service capability. It also reports a one-month off-season lead time, although the carbon-graphite quantity is stated with an unclear unit and the overall capacity information is not fully consistent.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM and OEM services, supporting a broad stated customization offering.

Product Q&A

Q:What are the main applications of these crucibles?

They are widely used in metallurgy, casting, machinery, and chemical sectors for smelting alloy tool steel and non-ferrous metals, as well as for vacuum coating of aluminum films.

Q:Does the product have corrosion resistance?

Yes, it offers strong resistance to acid and alkaline solutions with excellent chemical stability.

Q:What types of graphite crucibles are available?

We offer high purity fine particle, medium particle, silicon carbide, and coated graphite crucibles.

Q:How does the strength change with temperature?

Unlike most materials, the graphite strength increases as the temperature rises.

Q:What is the compressive strength of the high purity type?

The compressive strength is greater than 70MPa.