What is the maximum working temperature?

The maximum working temperature is 1650 Degree Celsius.

What is the chemical composition of the crucible?

It contains 54.6% SiO2, 40.31% Al2O3, 1.11% Fe2O3, 0.47% TiO2, 1.28% CaO, 0.34% MgO, 0.61% K2O, and 0.21% L.O.I.

Refractory Cupel Fire Assay Crucible for Metal Smelting

Name: Refractory Cupel Fire Assay Crucible for Metal Smelting
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 931120305

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

US$0.40-1.00

10 Pieces

Product profile

Customization

Available

Material

Clay, Alumina Cement

Refractoriness

1580< Refractoriness< 1770

Type

Ceramic Crucible, Refractory Material

Shape

Conical, Circular, Cylindrical, Crucible

Color

White, Light Yellow

Name

Cupel Fire Assay Crucible for Metal Smelting

Max. Working Temperature

1650 Degree Celsius

Item

Ceramic Crucible

Application

Thermal Analysis or Firing

Capacity

10ml, 20ml, 30ml, 50ml, 80ml, 100ml, 200ml, 500ml

Feature

Long Time Materials, Instant Materials

Purpose

Gold Smelting and Assaying

Size

30g, 40g, 45g, 50g, 65g

Usage

Melting, Assaying

Refractoriness Under Load

1420 Degree Celsius

Packing

Wooden Packing, Paper Carton Packing

Refractoriness (℃)

1580< Refractoriness< 1770

Transport Package

by Carton

Specification

200-750ML

Trademark

Origin

Hunan China

Production Capacity

10000PCS Per Month

Key features

Customizable Shapes: Available in Conical, Circular, and Cylindrical shapes to meet specific needs.

Low MOQ: Minimum order quantity is just 1 piece, ideal for testing and small batches.

Customization from Designs: Supports customization based on customer-provided designs and samples.

Fast Off-Season Delivery: Lead time is within 15 workdays during the off-season for quick turnaround.

High Alumina Content: Contains 40.31% Al2O3, ensuring durability and resistance to thermal shock.

Versatile Capacities: Offers sizes from 10ml to 500ml to suit various smelting and assaying requirements.

Multiple Payment Options: Accepts LC, T/T, D/P, PayPal, and Western Union for flexible transactions.

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: ≤9.47h 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.