Hydraulic binders and building elements formed of non-traditional materials
专利汇可以提供Hydraulic binders and building elements formed of non-traditional materials专利检索，专利查询，专利分析的服务。并且A process is disclosed for the formation of hydraulic binders and building elements comprising from 70% ettringite and up to 30% calcium silicate hydrates. Ettringite is a very strong mineral and the product may be at least the equal in terms of mechanical properties of Portland cement while suffering shrinkage and expansion problems. The process comprises mixing powdered source materials of reactive CaS0 4 , CaO and Al 2 O 3 with or without Si0 2 and hydrating the intimate mixture at a ratio in the range of I part powdered source materials to 0.35-i part water. Most conveniently, impure source materials such as industrial by-products are used as they have been found to catalyse the hydration reaction. Further if gypsum is a powdered source material, in a natural, pure or chemical form, it is preferably calcined since such material sets quickly and gives early mechanical strength. A clinker of calcium sulphoaluminate may be produced for use as a powdered source material.，下面是Hydraulic binders and building elements formed of non-traditional materials专利的具体信息内容。
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