البنتونيت (OCMA):
التحلیل الکیمیائی:
/tone (min) |
Yield point |
|
15ml (max) |
Water loss |
|
10% (max) |
Moisture |
|
2 w.t % (max) |
Residue on ASTM sieve No: 100 (dry method) |
|
2.5 w.t % (max) |
Residue on ASTM sieve No: 200 (water method) |
البنتونيت (API):
التحلیل الکیمیائی:
30 (min) |
Viscometer Dial, 600 rpm |
3 (max) |
Yield Point/ Plastic Viscosity Ratio |
15 ml (max) |
Filtrate Volume |
4%w (max) |
Residue Greater than 75 µm |
البنتونيت (لصناعة الفولاذ):
التحلیل الکیمیائی:
600%w (min) |
Wate absorption (plate test method) |
6%w (max) |
Moisture |
20%w (max) |
Residue on ASTM sieve No:325 |
البنتونيت (مسبک)
التحلیل الکیمیائی:
Sodium bentonite |
Chemical composition |
26-30%w |
Gelling (after 24 hours) |
26-34cm3 |
Swelling factor (2g) |
11-Aug |
pH |
75%w (min) |
Methylene blue absorption |
10%w |
Moisture |
1100 (0°C) |
Sinter point |
9%w |
Loss on Ignition (LOI) |
750-950 g/cm2 |
Green compressive strength |
17-20 g/cm2 |
Green Tensile strength |
7-10%w |
Residue on ASTM Sieve No.200 |