知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。 The Significant sublimation temperature of SiC (approximately 2,700 °C) can make it useful for bearings and furnace elements. Silicon carbide does not melt but commences to sublimate near two,seven-hundred °C like graphite, possessing an considerable vapor strain around that temperature. It is additionally remarkably i... https://glass-lined-pipe-fittings04825.fireblogz.com/67082598/zinc-alkyl-dithiophosphate-an-overview