Bentonite powders for moulding mixtures
Bentonite powders are produced in accordance with GOST 28177-89 using raw materials extracted from the best deposits of bentonite clays in Russia, the Republic of Kazakhstan and the Republic of Azerbaijan. In terms of the main grade-forming parameters (green compressive strength, wet tensile strength, thermal stability), bentonite powders produced by the enterprises of Bentonite Group significantly exceed the minimum GOST-regulated values.
| Manufacturer | Standard values for P1T1A according to National GosStandard | Actual results for P1T1A grade | ||||
| Green compression strength | Wet tensile strength | Thermal stability | Green compression strength | Wet tensile strength | Thermal stability | |
| Bentonite of Khakassia LLC | min 0.9 | min 0.028 | min 0.6 | 0.96 – 1.15 | 0,028 – 0,038 | 0,72 – 0,95 |
| Bentonite of Kurgan LLC | 0.96 – 1.10 | 0,028 – 0,030 | 0,62 – 0,78 | |||
| AzRosPromInvest LLC | 0,9 – 1,2 | 0,028 – 0,033 | 0,6 – 0,8 | |||
| TAGBENT LLP | 0,90 – 1,25 | 0,028 – 0,033 | 0,60 – 0,84 | |||