Graphite Saggers

Graphite saggers are products made by lathe processing technology for sintering positive electrode materials and high-temperature carbonization of negative electrode materials. Graphite saggers have certain characteristics such as low thermal conductivity, high temperature resistance, thermal shock resistance, long life, and strong corrosion resistance. Graphite saggers are widely used in semiconductors, photovoltaics, chemicals, industry, smelting, etc.

The "affinity" between graphite saggers and most media is very small, so dirt is not easy to adhere to the surface. Especially used in condensation equipment and crystallization equipment.

Various types of carbon and graphite saggers have excellent corrosion resistance to all concentrations of hydrochloric acid, phosphoric acid and hydrofluoric acid including fluorine-containing media. The highest application temperature is 350 degrees Celsius-400 degrees Celsius, which is the temperature at which carbon and graphite saggers begin to oxidize.

The operating temperature of the impermeable graphite crucible depends on the type of impregnated material. For example, phenolic impregnated graphite can withstand 170-200 degrees Celsius. If an appropriate amount of silicone resin impregnated graphite is added, it can withstand up to 350 degrees Celsius. When phosphoric acid is deposited on carbon and graphite, the anti-oxidation function of carbon and graphite crucible can be enhanced, and the actual operating temperature can be further improved.

Graphite crucible also has good thermal conductivity. Among non-metallic materials, the thermal conductivity is only higher than that of metal, ranking first among non-metallic materials. The thermal conductivity is twice that of carbon steel and seven times that of stainless steel, so it is suitable for use in heat transfer equipment.