-
The crucible is made of crystalline bai-shaped natural graphite as the main raw material, du plastic refractory clay as the binder, and is made by combining it with different types of clinker. It is mainly used for smelting special alloy steel, melting non-ferrous metals and Alloy refractory gra...Read more »
-
1. Handling Special handling tools must be used to carry the crucible, and the crucible cannot be rolled directly on the ground. Avoid collisions during transportation, so as not to damage the glaze layer, thereby affecting the service life of the crucible. 2. storage The crucible must be stor...Read more »
-
Crucibles have good thermal conductivity and high temperature resistance, and are widely used in metallurgy, casting, machinery, chemical and other industrial sectors, especially in the metal smelting industry, mainly used for the melting of metal materials. Crucibles commonly used for smelting m...Read more »
-
Graphite crucible has good thermal conductivity, high temperature resistance and corrosion resistance, can cope with rapid cooling and rapid heating, disadvantage is easy oxidation at 600 degrees.So need to add a protective shield on its outside. We supply all differenct size Graphite crucible sh...Read more »
-
Casting crucibles using fused silica as main material，mainly used for precious metal melting such as platinum，gold and other high temperature alloy casting .The products are featured with high purity and corrosion resistance,low thermal conductivity,small expansion coefficient,high Tempe...Read more »
-
High pure graphite crucibles Mainly used in jewelry industry for precious metals smelting, Using high purity ,high strength,high density graphite as raw material, extremely low ash content to ensure that the precious metals in the smelting is not contaminated. Graphite crucible has g...Read more »
-
This regular simple looking ceramic (we call them pots) made of fire clay and proprietary additives, has an extremely long history in the gold business . Its use is referenced in historical texts that are more than 3000 years old, which you think about it, this is a simple ceramic cup ,A cru...Read more »
-
Desctiption:Graphite crucible has good thermal conductivity and high temperature resistance.During the procssof high temperature using, the coefficient of thermal expansion is small,it has a certain ability of resist strain to the rapid cooling and rapid heat. It has strong corrosion resistance t...Read more »
-
Fire assay it's a classical analytical method for applying metallurgical principles and techniques to analytical chemistry. To test the content of precious metals in minerals and metal products determined by melting and roasting. The method has the advantages of sampl...Read more »
-
Cupellation is the last and crucial stage in fire assay process.so,the quality of cupel is very Important .During cupellation,the lead is oxidized to litharge(PbO),most of which is absorted by the cupel.Gold,silver,platinum and other precious metals form a tiny bead in th...Read more »
