___________________________________________________________________________                                                                          
|Product         |Bentofix   | Bentofix  |          |          |          |
|Name            | NS        |  NW       |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Standard Roll   |4.6 x 30.5 |4.6 x 30.5 |          |          |          |
|Width & Length  |(15.2 x    |(15.2 x    |          |          |          |
|    m(ft)       |     100)  |      100) |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Avg. Roll       |(1740)     |(1740)     |          |          |          |
|Wt. (lbs)       |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Bentonite Mass/ |   1.0     |   1.0     |          |          |          |
|Unit Area       |           |           |          |          |          |
|Excl. of Glue Wt|           |           |          |          |          |
|(if appl)lb/ft2 |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Permeability    |        -9 |        -9 |          |          |          |
|(cm/sec)        |1.0 x 10   |1.0 x 10   |          |          |          |
|ASTM D 5084     |           |           |          |          |          |
|Deaired Water   |           |           |          |          |          |
|@ 30 psi stress |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|
|   Moisture     |           |           |          |          |          |
|   Content(%)   |   10      |   10      |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Swell Index     |           |           |          |          |          |
| (min.)ml/2g    |  25       |   25      |          |          |          |
|USP-NF-XVII     |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Fluid Loss      |           |           |          |          |          |
|API-13B         |     NA    |     NA    |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Upper Geosyn.   |           |           |          |          |          |
|Type or Struc.  | woven     |nonwoven   |          |          |          |
|                |           |           |          |          |          |
|Wt. ASTM D 3776 |3.25oz/yd2 |7.8oz/yd2  |          |          |          |
| or Thickness   |           |           |          |          |          |
|ASTM D 1593     |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|          
|Lower Geosyn.   | nonwoven  | nonwoven  |          |          |          |
|Type or Struc.  |           |           |          |          |          |
|                |           |           |          |          |          |
|Wt. ASTM D 3776 |7.25oz/yd2 |7.25oz/yd2 |          |          |          |                    |
|or Thickness    |           |           |          |          |          |   
|ASTM D 1593     |           |           |          |          |          |
|________________|___________|___________|__________|__________|__________|
|Tensile Strength|           |           |          |          |          |
|ASTM D 4632     | 120lbs    | 210lbs    |          |          |          |          
|________________|___________|___________|__________|__________|__________|
| % Elongation   |           |           |          |          |          |
| ASTM D 463     |    NP     |    NP     |          |          |          |
|________________|___________|___________|__________|__________|__________|