WO 2015/133654 A2

White cement and its manufacturing method

(22) 08.04.2014

(43) 11.09.2015

(57) The present invention relates to white cement made of pencatite and its manufacturing method. The present invention provides white cement manufactured through creating active MgO, which has strong ability of hydration, by burning pencatite which contains Mg(OH)2, a low temperature. The present invention provides manufacturing method for 5 kinds of white cement of different usage. White cement described in the present invention can be effectively used for finish plastering of buildings, producing various kinds of building materials, putty, etc.

(71) Won, Yong Chol, 13, Galrimgil-dong No.1, Mangyongdae District, Pyongyang (KP); Kim, Chol Su, 83, Kwhak-dong No.2, Unjong District, Pyongyang (KP)

(84) ARIPO (BW GH GM KE LR LS MW MZ NA RW SD SL ST SZ TZ UG ZM ZW), Eurasian (AM AZ BY KG KZ RU TJ TM), European (AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR), OAPI (BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN TD TG)

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