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The protective gas boxes with gas inlet and outlet are neccessary for annealing of frameworks made of Cobalt-Chromium after laser sintering. The gassing box will be flushed with non-flammable inert gases, such as argon. The gassing box made of heat resistant 1.4841 (DIN) is delivered with lid, which is sealed with ceramic fiber, with protective gas inlet and outlet provided through the upper furnace collar and seal profile incl. quick coupling with 3/8“ hose connection. Included is also a thermocouple type K. The gas box can be used up to a maximum temperature of 1100 °C, at temperatures up to 1150 °C higher wear and tear has to be expected.
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