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papermaking with calcium carbonate powder stone(1)
Author: Doris Date: 2013-08-20 09:54
Calcium carbonate is a kind of inorganic compounds, lime rock (limestone) and calcite is the main ingredient. Commonly known as: limestone, stone powder, is a kind of compounds, chemical formula CaCO3, show neuter, almost insoluble in water, insoluble in ethanol, slightly soluble in water containing quaternary ammonium salt or carbon dioxide (the reason is that calcium carbonate and the reaction of slightly soluble substances slightly soluble in water). According to the different method of calcium carbonate powder mill, the calcium carbonate can be divided into heavy calcium carbonate, light calcium carbonate, colloid calcium carbonate and calcium carbonate crystals.Stone paper is the emerging domestic papermaking technology, the technology is used in paper making and raw material is iron ore powder, due to the nature of the mineral powder has created this kind of stone paper pollution-free, durable, corrosion resistance and other properties. So for papermaking with stone powder that how to choose?
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