| abstract |
Including the powdered mineral filler of calcium phase and magnesium phase, including formula is aCaCO 3 ·bCa(OH) 2 ·cMg(OH) 2 DMgOeCaO half hydration dolomite and including particle from caking, wherein, a, b, c, d and e are molar fractions, and (a+b+e)/(c+d) is between 0.8 and 1.2；Flame retardant compositions containing the mineral filler；And the production method and purposes of this mineral filler. |