What is the chemical composition?

Al2O3: 35-45%, SiO2: 50-57%, Fe2O3: max 1.2%, Au: max 2 PPB.

How should the crucible be handled to ensure longevity?

Please follow the using specifications to expand working lifetime and improve heat conductivity. An instruction paper is included in the bag.

Ceramic Gold Smelting Crucible for Fire Assay Furnace

Name: Ceramic Gold Smelting Crucible for Fire Assay Furnace
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 2047923525

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

US$0.10-5.00

5,000 Pieces

Sample price:US$100.00/box.Request sample

Product profile

Customization

Available

Material

Fire Clay

Refractoriness (℃)

1580< Refractoriness< 1770

Model NO.

Feature

Long Time Materials, Instant Materials

Type

Refractory Material

Shape

Crucible

Transport Package

by Carton Box

Specification

Trademark

Origin

China

HS Code

6909110000

Production Capacity

1000000

Key features

Long Service Life: Average lifespan of 3-5 uses per crucible for gold melting and assaying.

High Casting Density: Ensures accurate test results and excellent mechanical strength.

Corrosion Resistance: Resists extremely corrosive fire assay environments and chemical stability.

ISO 9001 Certified: Manufactured under ISO 9001-2000 execution standard for quality assurance.

Customizable Options: Available in various shapes and sizes to cater to specific requirements.

Fast Delivery: Shipment loaded within 15-25 days after order confirmation.

Free Sample Offer: Samples are available for free to test product quality before bulk order.

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: ≤9.14h 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.