Industrial Magnesium Oxide Cupel, Bone Ash Cupels for Jewelry

• Customization: Available
• Material: Alumina and Si02
• Packing: 200PCS / Carton
• Carton Size: 34*22*22cm
• Application: Mining Industrial
• Purpose: Smelting, Melting, Assaying
• Refractoriness (℃): 1350
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Crucible
• Transport Package: Wooden Pallet
• Specification: 6A/7A/8A
• Trademark: RY
• Origin: China
• Production Capacity: 50000PCS Per Month

Product Description

Meganesia cupel 
Applications
Precious Metal Analysis
Mining Laboratory
Laboratory Testing
Mineral Assaying
Fire Assaying
Gold Assaying
Fire assay Cupel crucible
1.Made of Magnesite or Bone
2.Used for smelting and assaying.
3.High thermal shock resistance
Magnesia: ≥95%
Silica, Silicon dioxide: 0-5%
Property: High refractoriness(1100 centigrade degrees),rapid absorption(70%),and recovery rate of 97%
-98.5%,easy to use, without milling.

Product	Description	Mark
6A	Weight: 50-55 grams
	Diameter; 40 mm
	Height: 25 mm
7A	Weight: 58-60 g
	Diameter; 40 mm
	Height: 28-30 mm
8A	Weight: 80-86 g
	Diameter; 43-45 mm
	Height: 30-34 mm
9A	Weight: 120-123 g
	Diameter; 50-52 mm
	Height: 30-34 mm

Notes:
1.Refractoriness: 1350 centigrade degrees
2.We can supply the products according to customer's drawings, samples and performance requirement .