它又称菱苦土，镁氧粉，苦土粉，轻烧氧化镁。它是淡黄色或白色粉末，无臭、无味，溶于酸和铵盐，难溶于水和乙醇。在空气中易潮解。有高度耐火绝缘性能。经1000℃以上高温灼烧可转变为晶体，升至1500℃以上则成死烧轻烧氧化镁或烧结氧化镁，熔融的轻烧粉只有在粉碎时才与水作用，形成氢氧化镁。

It is also known as magnesia, magnesia powder, bitter earth powder, light burned magnesium oxide. It is a light yellow or white powder, odorless, tasteless, soluble in acids and ammonium salts, and insoluble in water and ethanol. It is easily deliquescent in air with a high fire resistance and insulation property. After burning at a high temperature above 1,000°C, it can be transformed into a crystal, and when the temperature rises beyond 1,500°C, it becomes dead burned and lightly burned magnesium oxide or sintered magnesium oxide. The fused light burned powder reacts with water into magnesium hydroxide only when it is crushed.

用途：国防、医药、化工、造纸、造船、脱硫等行业。

Purposes: In the industries of national defense, pharmaceutical, chemical, paper-making, ship-building, desulfurization, etc.

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