molecular formula: (3-5)mgco3 . mg(oh)2 . (3-7)h2o
:hg/t2959-2000
indexespremium grage first grade result
moisture,≤% 2.0 3.0<1.5
content(asmgo),≥%41.040.0>45.0
acid insoluble,≤%0.100.15 <0.03
loss on ignition% 54-58 54-5856
chloride(ascl),≤%0.100.150.06
iron(asfe),≤%0.02 0.05 <0.01
manganese(asmn),≤%0.0040.004<0.03
sulphate(asso4),≤%0.10 0.150.08
calciumoxide(ascao),≤%0.43 0.70.40
residue(150um),≤% 0.0250.030.005
accumulatedensity(g/ml),≤%0.12-0.25 0.12-0.250.12-0.25
use: makemagnesium salt, magnesium oxidize, fire prevention heat insulator,fire prevention the coating, printing-ink, pottery, glass, suchindustry as cosmetics, toothpaste and pigment, etc...
packing:it is packed with polyethylene bag as liner and a compound plasticwoven bag as the outer layer. the net weight of each bag is 20kg.