Use of high temperature box resistance furnace

[xiaohei]

1. When the electric furnace is used for the first time or is used again after long-term inactivity, it must be dried in an oven.
   Oven temperature and time:
   Room temperature - 300°C for 4 hours Open the furnace door to evaporate most of the moisture in the furnace.[link text]( link url)https://www.vacfurnace.com/technology-frontiers/principle-of-vacuum-heat-treatment-process/
   300°C--800°C rapid temperature rise, close the furnace door.
   800℃--1000℃ for 3 hours Open the furnace door regularly until there is no moisture in the furnace door.[link text]( link url)https://www.vacfurnace.com/technology-frontiers/large-complex-mold-vacuum-heat-treatment-process/