1.Mgnesium sulphate
a).Magnesium sulphate,Anhydrate
Content:98%min
Mg+:19.70%min
Pb:0.001%max
Fe:0.003%max
Chloride:0.004%max
Cadmium:10ppm max
Water insoluble matter:0.05%
As:0.0004%max :10ppm max
b).Kieserite(Magnesium sulphate mono- Fertilizer grade) Powder
Content(MgO):27%min
Chloride:2%max
Moisture:2%max
S :18%min
appearance:White :White
20FCL=20M/T
c).Heptahydrate
Purity:99%
Chloride:0.003%
Water insoluble matters:0.03%
Heavy Metals(on Pb):5ppm
Fe:5ppm
As:1.5ppm
Cd:1ppm
Packing:In 25kg plastic woven bag inner plasticbag.
2.Magnesium oxide,light
a).technical grade
Content: 93%min Content: 95%min
CaO: 1.04% :0.84%
HCL Insoluble matter:0.09% :0.07%
Sulphates: 0.16% :0.13%
Fe: 0.04% :0.04%
Mn: 0.003% :0.003%
Chloride: 0.08% :0.030%
Loss on ignition:: 3.32% :2.79%
Density(g/Ml): 0.17% :0.18
Residue(150um sieve):0.03% :0.022%
Packing:In 20kg plastic woven bag
Use:Both of this two grade are used in ceramics,enamal,fire-
resistance materials,oil,dyeing,plastic industry,electric
wire, cable,rubber and as filler in paint,,,,,,,,
20FCL=11M/T 40FCL=22-23M/T
b).medical grade
Chemical compsition Standard USP24
Loss on ignition % ≤5.0 ≤10.0
Acid insoluble matter % ≤0.10 ≤0.10
CaO % ≤0.50 ≤1.10
Heavy metals(Pb)% ≤0.004 ≤0.004
Fe % ≤0.05 ≤0.05
As % ≤0.0005 ≤0.0003
Purity % ≥96.50 96.50-100.50
Chloride % ≤0.14 __
Sulphates % ≤0.30 _
Carbonates % comply __
Mn % ≤ __ Free
alka/soluble salts
A.acid wear ml ≤2.0 __
B.residue mg ≤10.0 __
3.Magnesium carbonate
A.Technical grade,light
MgO: 42.04%
CaO: 0.39%
Chloride:0.04%
Sulphate:0.03%
Soluble salts:0.70%
Iron:0.01%
Chloride:0.04%
HCL Insoluble Matters:0.07%
Loss on ignition:55.13%
Bulk density (g/ml):0.07
Moisture:1.25%
20FCL=6M/T
B.Medical grade, density
MgO: 42%
CaO: 0.053%
Chloride:0.035%
Sulphate:0.50%
Soluble salts:0.95%
Iron:0.003%
HCL Insoluble Matters:0.01%
Heavy metals(On Pb):0.003%
As:0.0002%
Specific Volume:3.0ml/g
Packing:In 25kg plastic woven bag
20FCL can accommodate of 14-15M/T
4). Magnesium Trisilicate,Medical grade,
USP Standard Test Result
Description White Amorphous Powder Comply
Moisture 17-34% 26.2%
Soluble salts 15mg max 12
Chloride 0.055% max 0.05%
Sulphate 0.5%max 0.5%
Free Alkali(mp) 1.0max 0.5
As 5ppm max 3ppm
Heavy Metals 20ppm max 15ppm
Acid consuming-
Capacity(ml/g) 140-170 150.3
Assy----MgO 20%min 23%
SiO 45%min 50%
Packing:In 25kg plastic woven bag inner plastic bag.
20FCL=15M/T
5).Magnesium stearate
MgO:6.5-7.5%
Moisture:3.65%max
Free acid:2.26%max
Loss on dry:4%
Sulphates:0.6%max
Fe(3+):0.01%max
Heavy metals:15PPM max
Packing:In 20kg plastic woven bag inner plastic bag.
20FCL=8M/T<