Basic knowledge that must be mastered in the concrete admixture industry
First, the dosage is less than or equal to 5% of the weight of cement. This means that the dosage of concrete admixtures must not be greater than 5% of the weight of cement. Based on this definition, …
Introduction to toxicity knowledge of methanol and acetonitrile_Kain Industrial Additives
Acetonitrile (acetonitrile, ethanenitrile, CH3CN) is also called methyl cyanide, with a molecular weight of 41.05, a melting point of (-43±2)℃, and a boiling point of 81.6℃ , it is a colorless liquid …
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