Graphite Metal Cast Crucible Ingot Mold Cup Melting Silver Gold Casting Jewelry High Purity Refining Graphite Crucible Ingot MoldExcellent corrosion resistance, impact resistance, acid resistance and alkali resistance.The graphite crucible has good thermal conductivity properties, it can greatly shorten the melting time and saved energy.It can melt gold, silver, platinum and other precious metals and other alloys with long service life. Specifications: Material: High Purity GraphiteCasting Cavity Capacity: 38mL / 1.28ozSize:L: 40mm / 1-37/64 inchH:60mm / 2-23/64 inchT:5mm / 13/64 inch inner diameter: 30mm / 1-3/16 inch Graphite Indicator: Bulk density ≥1.82 g/cm3Electric resistivity ≥9 μ Ω mBending strength ≥45 Mparesist compression ≥65 MpaAsh ≤0.1 %particle ≤43 um(0.043 mm) Feature: Made from high-density fine grain graphiteThe graphite crucible has good thermal stability, suitable for emergency heat or cold usage condition.Mainly used in dental alloys, platinum, gold, silver, copper brass and other material.The ash of graphite crucible is less than 0.1%, to ensure that the precious metal in the smelting is not contaminated.Perfect for gold silver melting then casting or as a graphite crucible melting non-ferrous metals to analysis Package included: 1pc x Graphite Metal Cast Crucible Ingot Mold Cup Melting Silver Gold Casting Jewelry Check out our other items! Check out our Hown Store Click here, Subscribe to this seller's newsletter, and you'll also follow them for featured items and special offers Shipping Policies:We ship to the Lower 48 States only (Does NOT include Hawaii or Alaska)We cannot ship to PO Boxes/APO'sWe cannot combine shipping.No Local Pickup. All items will be shipped directly to you from our warehouses within 1-3 business days. Most items are delivered within 3-5 business days, however, please allow 3-9 business days. All items are in stock when they are listed. Inventory is tracked and updated regularly. However, if demand exceeds our supply, we will give the customer the following options: Full refund. Have the item back ordered and shipped when it becomes available. We will offer other items in similar style and quality. Your buy / purchase of the item implies you agree to this policy. If you have a question about a product not otherwise answered in the item description, please contact us via eCRATER messages first and allow us the opportunity to help you and be sure we have what you're looking for. Exchange/Return Policy:Your satisfaction is guaranteed! If for any reason you are unhappy with your item, just return it within 30 days for a full refund, minus shipping cost. Please contact us prior to initiating a return so that we can issue you a refund authorization.We accept returns under the condition that it does not open the packaging has not been damaged merchandise.We have money back warranty program and after sale service.Payment PolicyWe require Immediate Payment. Must be an authorized address.