ZGM Zębiec SA currently offers three types of bentonite mixtures with the following technical parameters:
| Item | Parameter | 75 | 77 | 80 |
|---|---|---|---|---|
| 1 | Wet compression strength [MPa], min. | 6,80 | 6,90 | 7,00 |
| 2 | Spill rate [%], max. | 5,00 | 7,00 | 7,00 |
| 3 | Swell factor [cm3/2g], min. | 15 | 15 | 15 |
| 4 | Carbonate content [%], max. | 75 | 75 | 75 |
| 5 | Water content [%], max. | 8-13 | 8-13 | 8-13 |
| 6 | Montmorillonite content [%], min. | 27-31 | 25-29 | 23-27 |
| 7 | Particle size | 80% under 0,056mm | ||