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US4383045A Magnesia refractories bonded with sulfamic acid 失效
氧化镁耐火材料与氨基磺酸结合

Magnesia refractories bonded with sulfamic acid
摘要:
Gunning mixes and other magnesia-based refractory compositions are disclosed which include up about to 10% by weight sulfamic acid as a binder. Sulfamic acid reacts readily with periclase grain and, when employed with boric acid and ceramic sintering aids forms an excellent binder system.
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