How does the vacuum coating graphite crucible differ from standard ones?

The vacuum coating type features greatly improved oxidation resistance, high bulk density, and reduced porosity. It weakens the wetting ability of molten aluminum, prolonging service life for aluminum plating film production.

High Purity Graphite Crucible for Coal Mining Analysis

Name: High Purity Graphite Crucible for Coal Mining Analysis
Brand: Henan L.T Trade Co., Ltd.
SKU: 935960155

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

US$0.10-1.00

1 Piece

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Color

Black

Shape

Cylindrical

Model NO.

GC-1

Type

Graphite Crucible

Bulk Density

No Less Than 1.58g/cm3

Temperature Resistance

No More Than 4350 Degree

Porosity

10-14%

Elasticity Modulus  Gpa

No Less Than 70

Thermal Expansion Coefficient 

1.47-4.25

Ash Content  %

No More Than 0.05

Certification

ISO

Refractoriness

Refractoriness> 2000

Transport Package

Plywood Cases

Specification

Customized

Trademark

L. T graphite

Origin

China

HS Code

6903100000

Production Capacity

500000 Pieces One Year

Key features

Corrosion Resistance: Strong resistance to acid, alkali, and strong corrosive solutions.

High Strength: Mechanical strength increases as temperature rises, ensuring durability.

Excellent Conductivity: Superior electrical and thermal conductivity for efficient heat transfer.

Low Thermal Expansion: Small thermal expansion coefficient prevents strain during rapid heating.

High Purity Options: Available in high purity fine particle grades with low ash content.

Vacuum Coating Grade: Specialized crucibles for vacuum metallizing with enhanced oxidation resistance.

ISO Certified Quality: Manufactured under ISO certification standards for consistent quality.

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: ≤6.06hTerms 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 this graphite crucible?

It is widely used in metallurgy, casting, machinery, and chemical sectors for smelting alloy tool steel, non-ferrous metals, and their alloys. Specific types are also used for vacuum coating of aluminum on films.

Q:Is the product customizable?

Yes, L.T Graphite offers customized graphite parts and components. Specific technical data such as bulk density and porosity can be tailored for different categories like high purity or silicon carbide graphite crucibles.

Q:What are the key advantages of using this graphite material?

Key advantages include high strength that increases with temperature, good heat shock resistance, anti-oxidation properties, strong corrosion resistance, and excellent chemical stability.

Q:What are the payment terms and lead times?

Payment terms include LC, T/T, and Western Union. The average lead time is within 15 workdays during the off-season and one month during the peak season.

Q:What certifications does the product have?

The product holds ISO certification, ensuring it meets international quality standards for graphite materials.