Refractory Material for Sliding Nozzle
2021-7-7 · After the slide is preheated, put it into the oil-immersed tank, and vacuum it to a vacuum of 650mmHg or more, introduce heated tar or asphalt, and pressurize the oil to a pressure of 8~16kgf/cm2 or higher to make tar or asphalt. It is sucked into the open air hole of the slide.
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