Import Fire Assay Cupel — Buy in wholesale FOB from Supplier in China
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Fire Assay Cupel
The fire assay cupel offered by Gemhold (sjz) Trading Co. Ltd. is produced from high‑purity magnesium oxide (MgO) ceramic, a material known for excellent thermal shock resistance. Chemical analysis shows MgO content of 98.5 % and Al₂O₃ about 1.2 %, with a working temperature range of 1300‑1350 °C. The cupel has a specific gravity of 2.35, porosity of 12‑15 % and a lead absorption capacity of 91 %, making it suitable for separating gold, silver and platinum‑group metals from lead or copper buttons.
In the assay industry cupels of this type are standard for high‑temperature cupellation because MgO does not alloy with precious metals. Typical wall thickness for cupels is 1‑2 mm, providing sufficient strength while allowing rapid heat transfer. The product meets the usual ASTM C‑... refractory ceramic grade, and dimensional tolerance is typically ±0.05 mm to ensure consistent cup size across batches.
These cupels are used by mineral exploration labs, precious‑metal refineries and mining assay facilities for accurate metal content determination. Suppliers often ship them in cartons stacked on pallets to protect the fragile pieces during transit. Although the listing mentions a delivery time of about twenty days, buyers should confirm exact lead‑time, incoterms and payment conditions before confirming the order. The reusable nature of the cupel is limited, as absorption reduces performance after several uses.
| Material | Magnesium Oxide (MgO) Refractory Ceramic |
| MgO Content | 98.5 % |
| Al₂O₃ Content | 1.2 % |
| Working Temperature | 1300‑1350 °C |
| Specific Gravity | 2.35 |
| Porosity | 12‑15 % |
| Lead Absorption | 91 % |
| Production Method | Dry pressing |
| Typical Wall Thickness | typical 1‑2 mm |
| Standard Dimensional Tolerance | typical ±0.05 mm |
Gemhold (sjz) Trading Co. Ltd. operates from Room 711 Zhongyuan Building, Youyi Street, Shijiazhuang, Hebei 050000, China. The firm holds a harbour‑level trust tier on the platform, confirming its verified status, although its response rate is shown as 0 % and no average response time is recorded.
The company lists fire assay cupels among its consumables and notes that packaging can be arranged in cartons on pallets according to customer specifications. No further certifications or production capacity details are provided, so prospective buyers should request any required test certificates directly from the supplier.
Fire assay cupels are essential laboratory consumables used in the cupellation process for analyzing precious metal content in ore samples. Made from high-purity magnesium oxide with excellent thermal shock resistance, these cupels withstand temperatures exceeding 1100°C required for separating gold, silver, and platinum group metals from lead or copper buttons. Widely used in mining assay labs, mineral exploration, and precious metal refineries, MgO cupels are packed in cartons with pallets for safe international transit. Bulk pricing is negotiable for mining supply distributors and assay laboratory equipment importers.
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Sourcing Fire Assay Cupel from Gemhold (sjz) Trading Co. Ltd. - China Import Guide
Importers should first obtain the supplier’s mill test report that confirms the MgO purity, Al₂O₃ level and lead absorption figures. Request detailed drawings to verify the wall thickness and dimensional tolerance meet the typical specifications. If your laboratory requires compliance with a particular ASTM refractory standard, ask the supplier to provide the relevant certification.
Agree on an incoterm that matches your logistics chain, such as FOB Shijiazhuang or CIF a Chinese port like Tianjin. The quoted delivery window is approximately twenty days, but the exact lead‑time must be confirmed in the purchase agreement. Payment terms are usually negotiated per order, and a signed pro‑forma invoice should be secured before payment is made.
When the shipment arrives, inspect each cupel for cracks or deformation and measure the wall thickness with a micrometer. Conduct a trial cupellation to verify the lead absorption performance and ensure no contamination. Keep the mill test certificate and any third‑party inspection reports as part of your quality documentation for regulatory compliance.
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30 suppliersBuy Fire Assay Cupel in Bulk — Verified Supplier in China
When sourcing Fire Assay Cupel for your business, securing the right balance of quality and cost is essential. Gemhold (sjz) Trading Co. Ltd., a verified supplier based in China, offers this product with key specifications including Fire Assay Grade / Cupellation Grade, MgO 95% - 99%+, trace impurities (CaO, SiO2, Fe2O3), and Standard: 35mm top dia. x 25mm height; Custom sizes available. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.804.50./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 6909.11, making it a staple in the Mineral Powder sector with strong demand from importing countries worldwide.
Fire Assay Cupel Specifications, Trade Terms & Pricing
Importing Fire Assay Cupel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Gemhold (sjz) Trading Co. Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 6909.11 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Gemhold (sjz) Trading Co. Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Fire Assay Cupel has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Mineral Powder category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Fire Assay Cupel — Shipping, Logistics & Customs
Importing Fire Assay Cupel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 6909.11 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Fire Assay Cupel
What is the wholesale price of Fire Assay Cupel?
The current listed wholesale price for Fire Assay Cupel from Gemhold (sjz) Trading Co. Ltd. is $0.804.50./Unit on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Gemhold (sjz) Trading Co. Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Fire Assay Cupel?
The supplier, Gemhold (sjz) Trading Co. Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Fire Assay Cupel. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Fire Assay Cupel?
For international shipping and customs clearance, Fire Assay Cupel is classified under HS Code 6909.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Fire Assay Cupel from China?
To import Fire Assay Cupel from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Gemhold (sjz) Trading Co. Ltd.. Ensure you have the necessary import licenses for Mineral Powder products in your destination country.
Is Gemhold (sjz) Trading Co. Ltd. a verified supplier?
Yes, Gemhold (sjz) Trading Co. Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Fire Assay Cupel?
The key specifications for Fire Assay Cupel supplied by Gemhold (sjz) Trading Co. Ltd. include Fire Assay Grade / Cupellation Grade, MgO 95% - 99%+, trace impurities (CaO, SiO2, Fe2O3), and Standard: 35mm top dia. x 25mm height; Custom sizes available. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Fire Assay Cupel?
Gemhold (sjz) Trading Co. Ltd. offers Fire Assay Cupel with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Fire Assay Cupel the most?
Fire Assay Cupel is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Gemhold (sjz) Trading Co. Ltd. through our platform.
What certifications does this Fire Assay Cupel supplier hold?
Gemhold (sjz) Trading Co. Ltd. maintains international quality certifications. These ensure that the Fire Assay Cupel meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Fire Assay Cupel on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Gemhold (sjz) Trading Co. Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Gemhold (sjz) Trading Co. Ltd..
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