Bentonite is an absorbent aluminium phyllosilicate, impure clay consisting mostly of montmorillonite.
Specification:
itemsType | first grade | second grade | third grade | fourth grade |
Green Comp Strength , kpa ≥ | 100 | 70 | 50 | 30 |
Dry Comp. Strength, kpa ≥ | 2.5 | 2.0 | 1.5 | 0.5 |
MBI,g/100g | 32 | 28 | 25 | 22 |
Mesh(through B.S.S.200 sieve,%≥ | 85 | 85 | 85 | 85 |
Moisture % | 9~13 | 9~13 | 9~13 | 9~13 |
Chemical content
Ingredients | % | Sodium Bentonite | Ca-bentonite |
SiO2 | % | 69.32 | 67.23 |
Al2O3 | % | 14.27 | 15.88 |
CaO | % | 1.99 | 2.22 |
MgO | % | 2.69 | 4.01 |
K2O | % | 1.38 | 0.19 |
Na2O | % | 1.85 | 0.13 |
Fe2O3 | % | 1.84 | 2.62 |
FeO | % | 0.63 | 0.03 |
MnO | % | 0.10 | 0.00 |
TiO2 | % | 0.13 | 0.13 |
P2O3 | % | 0.04 | 0.06 |
LOI | % | 5.67 | 8.09 |
Bentonite for metallurgy
project | Sodium Bentonite | Ca-bentonite | ||||
Grade | 2 items | Three Goods | Grade | 2 items | Three Goods | |
Water absorption (2h) /% ≥ | 400 | 300 | 200 | 200 | 160 | 120 |
Blue absorption capacity/(g/100g) ≥ | 30 | 26 | 22 | 30 | 26 | 22 |
Swelling Index/(mL/2g) ≥ | 15 | 5 | ||||
Sieving ratio (75μm, dry sieving), mass fraction /%≥ | 98 | 95 | 95 | 98 | 95 | 95 |
Water (105 ° C). Mass fraction /% | 9-13 | 9-13 | ||||
Bentonite for oil drilling
project | Drilling Bentonite | Untreated bentonite | OCMA Bentonite |
Viscometer readings 600r/min≥ | 30 |
| 30 |
Yield Value / plastic viscosity≤ | 3 | 1.5 | 6 |
Filtration volume / cm 3≤ | 15.0 |
| 16.0 |
75μm sieve, mass fraction /% ≤ | 4.0 |
| 2.5 |
Dispersed plastic viscosity / (mPa · S)≥ |
| 10 |
|
After filtration the amount of scattered / cm 3 ≤ |
| 12.5 |
|
Water (105 ° C). Mass fraction /% ≤ |
|
| 13.0 |
Bentonite for foundry
project | Drilling Bentonite | Untreated bentonite | OCMA Bentonite |
Viscometer readings 600r/min≥ | 30 |
| 30 |
Yield Value / plastic viscosity≤ | 3 | 1.5 | 6 |
Filtration volume / cm 3≤ | 15.0 |
| 16.0 |
75μm sieve, mass fraction /% ≤ | 4.0 |
| 2.5 |
Dispersed plastic viscosity / (mPa · S)≥ |
| 10 |
|
After filtration the amount of scattered / cm 3 ≤ |
| 12.5 |
|
Water (105 ° C). Mass fraction /% ≤ |
|
| 13.0 |
Packing terms: 25kg or 1000kg bag or as your requirements.
Delivery terms: 7-15days after confirm the order.
Lingshou County Zhongrun Minerals Co., Ltd. was established in 2008 as a professional Manufacturer&Exporter to provide various mineral and chemicals products,including vermiculite,mica,perlite,calcium carbonate,color sand etc.
