4pcs Graphite Crucible Set, Ingot Set Including High Purity Graphite Crucible Tong Bowl Combo Ingot Torch Melting Kit for Gold Silver Metal

4pcs Graphite Crucible Set, Ingot Set Including High Purity Graphite Crucible Tong Bowl Combo Ingot Torch Melting Kit for Gold Silver Metal

<p> Features: </p> Choice the fused silica as the main raw material, made using modern ceramic processing technology. Mainly used in dental alloys, platinum, gold,silver, copper brass and other high temperature melting alloys. <p> High temperature over 2800 degrees. </p> <p> High purity and high strength, durable in use. </p> <p> High heat resistant, high shock resistance and corrosion resistance. </p> <p> <br> </p> <p> Specifications: </p> Crucible Tongs<br> Material: stainless steel<br> Overall Length: 25cm/10inch<br> Color: silver<br> Net Weight: 310g<br> <br> Cylindrical Graphite<br> Outer Dia.:40 mm/1.57inch<br> Inner Dia.:30 mm/1.18inch<br> Total Height:40 mm/1.57inch<br> Inner Height:35 mm/1.38inch<br> <br> Square Graphite<br> Bulk density ≥1.82 g/cm3<br> Electric resistivity ≥9 μ Ω m<br> Bending strength ≥45 Mpa<br> resist compression ≥65 Mpa<br> Ash ≤0.1 %<br> particle ≤43 um（0.043 mm）<br> Size: 7.2 x 5.7 x 1.2cm/0.28 x 0.22 x 0.05inch<br> Quartz Melting Crucible<br> Capacity: 150g<br> Material: Quartz<br> Outer Diameter: 57 mm/2.24inch<br> Inner diameter: 43 mm/1.69inch<br> Height: 20mm/0.79inch<br> Depth: 15mm/0.59inch<br> Net weight: approx. 40g<br> <br> <br> <p> Package Included: </p> <p> 1 x Quartz Melting Crucible </p> 1 x Tongs<br> 1 x Square Graphite<br> 1 x Cylindrical Graphite<br> <br> <p> Note:<br> Manual measuring, please allow 1 ~ 3 cm error, thank you. </p> <p> <br> </p> <p> <br> </p>