Used in the manufacture of magnesium, magnesium oxide, fireproof, paint, ink, pottery, glass, toothpaste, rubber, pigment, dately used product industry, also as food additive and anti-acid agent in pharmaceutical industry, as high-quality filler and reinforcement agent of rubber products, as fireproof and thermal insulation materials resistant to high temperature.

 

8.Packing: pp woven bag lined with polyethylene plastic bag, 20kg/bag

 

9.Standard: HG/T2959-2000
  

Items		The excellent grade/Light	The first grade/Light	The qualified       grade	Industrial grade/Heavy
MgO ≥		41-43.5	40-43.5	38	40-41
CaO ≤		0.43	0.7	1.0	0.7
Water ≤		2.0	3.0	4.0	3.0
Chloride ≤		0.1	0.15	0.3	0.5
Fe ≤		0.02	0.05	0.08	0.05
Acid-insoluble substance≤		0.1	0.15	0.2	0.15
Sulphate ≤		0.1	0.15	0.3	2
Mn ≤		0.004	0.004	-	0.004
loss on ignition ≤		54-58	54-58	≥ 52.0	54-58
Accumulation density ≤g/ml		0.12	0.14	-	≥0.4
Screen Residues≤	150um	0.025	0.03	0.03	0.03
	75um	1.0