METHOD OF PREPARING MAGNESIA BINDER Russian patent published in 1999 - IPC

FIELD: manufacture of building materials. SUBSTANCE: in a method wherein magnesium hydroxide- containing starting material is fired and fired product is mixed with bischofite solution, starting material is product obtained by treating bischofite brine with lime milk containing 98-99 wt % MgO and firing is performed at 400-600 C. EFFECT: increased uniformity in variation of binder volume upon hardening, accelerated hardening process, and increased strength of hardened product. 1 tbl