Specifications
high purity bentonite clay for oil drilling manufactures price1. different type
2. widely used
3. sodium bentonite
4. 25
high purity bentonite clay for oil drilling manufactures price
1.Specifications
Bentonite?for ceramics
Appearance: White powder?
Chemical Formula: Al2O3.4(SiO2). H2O?
Molecular Weight: 360.31
Size: 100-3000mesh
CAS No.: 1302-78-9?
HS Code: 2508100000
2.Calcium Bentonite and Sodium Bentonite chemical properties ? |
Item | Calcium Base Bentonite | Sodium Base Bentonite |
Montmorillonite content, % | 60-90 | 70-72 |
Colloid valence, % | 60-90 | 100 |
Swelling index, ml/g | 8-12 | 20min |
Water absorption rate, % | 180-260 | 550-600 |
PH value | 6.5-7.5 | 9-10 |
Moisture % | 10max | 10max |
Methyl biue, g/100g | 30min | 32min |
Fineneess(200mesh), % | 95min | 95min |
?
3.Product?Useage
Bentonite?has?a?big?expansion?after?meets?water,?has?a?good?colloidal?nature,?
can?increase?the?viscosity?of?suspension?in?the?drilling?mud?when?used,?can?increase?the?lubrication?of?drilling,?cleaning?the?debris?during?drilling,?as?well?as?for?the?rig-freeing?agent.?So?which?is?widely?used ?in?complex?geological?formation?drilling.
4.product photo