... surface of the elements to prevent continuous oxygenation of MoSi2 When the temperature of element >1700°C,the protective layer of SiO2 of which ... but losing effect of protection.At the atmosphere of oxygenation,the element is used continuously,the protective layer of SiO2 can ... N 2/5% H21250~1600°C1250~1600°C ApplicationMainly used in industrial hot disposal furnace,sintering furnace,foundry furnace, ...