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CEMENTIR’S GLOCAL PRACTICE IN WHITE CEMENT

CEMENT

[:ru]Абдель Хамид Гаду[:en]Abdel Hamid Gadou[:] [:ru]Sinai White Portland Cement[:en]Sinai White Portland Cement[:]

[:ru]Алексей Игоревич Томашевский[:en]Alexey Igorevich Tomashevskiy[:] [:ru]Aalborg Portland, Россия[:en]Aalborg Portland Russia[:]

[:ru]Мишель Ди Марино[:en]Michele Di Marino[:] [:ru]Cementir Group[:en]Cementir Group[:]

[:ru]Джеспер Санд Дамтофт[:en]Jesper Sand Damtoft[:] [:ru]Cementir Group[:en]Cementir Group[:]

[:ru]Эрик Прам Нильсен[:en]Erik Pram Nielsen[:] [:ru]Cementir Group[:en]Cementir Group[:]

[:ru]Би Чжуо Цинь[:en]Bi Zhuo Qin[:] [:ru]Cementir Group[:en]Cementir Group[:]

[:ru]Алексей Евгеньевич Марусов[:en]Alexey Evgenievich Marusov[:] [:ru]ГК АрхиКамень[:en]GC ArkhiKamen[:]

Alitinform №1 (54) 2019 г. 2-10 p.

Abstract

White Portland Cement plays a leading and unique role as an essential binder ingredient of high-quality mortars and concretes. Compared with grey Portland cement, higher degrees of chemical purity and the inherent stability in terms of quality due to a very selective use of raw ingredients to ensure constant colour performance, results in, among others, enhanced interaction with admixtures and a predictable and reliable performance. Given that whiteness is a key performance parameter for White cement, only raw materials with very low iron content are used in the manufacturing process of White cement. The formation of very slow reacting iron-containing clinker minerals is thereby also avoided, resulting in a much denser structure of the hydrated White cement, directly translating into higher strength and lower porosity of the concrete manufactured with White cement.

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