MgO

MgO 98%

rate of lostmass after fire(1100℃) 1. 5%

CaO 0. 2%

Sulfate(SO4) 0. 15%

Fe 0. 02%

HCL-soluble Matter 0. 05%

Mn 0. 001%Min Chloride      0. 02%

apparent gravity ml/g  6

150μm Sieve Residue      0. 01%