4pcs Fire Graphite Set for Platinum, Gold, Silver Smelting

The specifications for the crucible tongs are as follows: made of stainless steel, with an overall length of 25cm/10in, a silver color, and a net weight of 310g. The cylindrical graphite has an outer diameter of 40mm/1.57in, an inner diameter of 30mm/1.18in, a total height of 40mm/1.57in, and an inner height of 35mm/1.38in. The square graphite has a bulk density of ≥1.82 g/cm3, an electric resistivity of ≥9 μ Ωm, a bending strength of ≥45 Mpa, a compression resistance of ≥65 Mpa, an ash content of ≤0.1%, and particle size of ≤43 um (0.043mm). The size is 7.2 x 5.7 x 1.2cm/0.28 x 0.22 x 0.05in.

The quartz melting crucible has a capacity of 150g, is made of quartz, has an outer diameter of 57mm/2.24in, an inner diameter of 43mm/1.69in, a height of 20mm/0.79in, a depth of 15mm/0.59in, and a net weight of approximately 40g. The package includes 1 quartz melting crucible, 1 pair of tongs, 1 square graphite, and 1 cylindrical graphite.

The crucible bowl has a capacity of 150g, an outer diameter of 60mm, and a height of 20mm. The crucible tongs are 25cm in length. The square graphite measures 7.7 x 5.7 x 11.5cm, while the cylindrical graphite has an outer diameter of 40mm and a total height of 40mm.

This set is designed for high working efficiency, with high temperature resistance over 2800 degrees and high purity and strength. It is durable and resistant to shock and corrosion. The anti-slip design of the crucible tongs ensures a firm grip and prevents slipping during use. It is suitable for use with dental alloys, platinum, gold, silver, copper, brass, and other high-temperature melting alloys.

The set includes four pieces: 1 Quartz Melting Crucible, 1 pair of tongs, 1 square graphite, and 1 cylindrical graphite.

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