Magnesium carbonate 38% for rubber

Magnesium carbonate  are of high quality,and competitive price,It is one of our best seller products. we have *7%,*0%,*1%,*2%,*3%*4%,*4.5%,*5%,*6%,*9.5% etc different specification Magnesium carbonate .we can also prodcuced as our customers' requirement,we also have different types of mgo,like caustic calcined magnesite,Dead Burnt magnesite, fused Magnesite,light Magnesite oxide,Magnesite Hydroxide,Refractory Brick,Refractory balls,.Now please find our *8% contient Magnesium carbonate belows:
Specificaiton:

Magnesium carbonate
inspection items	Index
	superior quality	First grade	Qualifed grade
MgO % ≥	*1	*0	*8
CaO % ≤	0.*3	0.7	1
Hydrochloric acid insolubles%≤	0.1	0.*5	0.2
Moisture % ≤	2	3	4
SO4 % ≤	0.1	0.*5	0.3
Chloride(cl)%≤	0.1	0.*5	0.3
Fe % ≤	0.*2	0.*5	0.*8
Mn % ≤	0.**4	0.**4	*-
Loss on ignition	****8	****8	>*2.0
residue on sieve **0um%≤	0.**5	0.*3	0.*5
               *5um%≤	1	-	-
stacking density g/ml≤	0.*2	0.*4	-