... :1. Resistance wire embedded inside lining, up,down, left, right, bottom, 5 surface heating, furnacetemperature uniformity.2. Having a vent to ... adopts advanced light material (0.29density), compared with the traditional muffle furnaceweight the 2/3, the rate of temperature have doubled ... control, easy to CE certificate 1200C laboratory high temperature dental muffle furnace for digital thermomet