National Seal Co.- Geomembrane Product Data

 ______________________________________________________________________                                                                          
|Product         |Dura Seal|Dura Seal |Dura Seal |Dura Seal |Friction  |
|Name            |HD       |HD        |HD        |HD        |Seal HD   |
|________________|_________|__________|__________|__________|__________|
|Polymer         |HDPE     |HDPE      |HDPE      |HDPE      |HDPE-T    |
|Type            |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Roll Width      |4.57, 9.3|4.57, 9.3 |4.57, 90.3|4.57, 90.3|4.57/290  |
|Roll Length     |(15, 30) |(15, 30)  |(15, 30)  |(15, 30)  |(15/950)  |
| m(ft)          |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Thickness       |1.0 (40) |1.5 (60)  |2.0 (80)  |2.5 (100) |1.0 (40)  |
|ASTM D751       |         |          |          |          |          |
|mm(mils)        |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Density         |0.94     |0.94      |0.94      |0.94      |0.94      |
|ASTM D1505      |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Tensile Strength|         |          |          |          |          |
|ASTM D638       |         |          |          |          |          |
|kN/m(lb/in)     |         |          |          |          |          |
|                |         |          |          |          |          |
|Yield           |15.4 (88)|23.1 (132)|30.8 (176)|38.5 (220)|15.4 (88) |
|Elongation %    |13       |13        |13        |13        |13        |
|Break           |26.6(152)|39.9 (228)|53.2 (304)|66.5 (380)|15.4 (88) |
|Elongation%     |700      |700       |700       |700       |200       |
|________________|_________|__________|__________|__________|__________|
|Puncture        |0.23     |0.35      |0.46      |0.58      |0.23      |
|Resistence      |(52)     |(78)      |(104)     |(130)     |(52)      |
|FTMS 101C       |         |          |          |          |          |
|Method 2065     |         |          |          |          |          |
|kN (lbs)        |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|          |
|Tear Resistence |0.13 (30)|0.20 (45) |0.27 (60) |0.33 (75) |0.13 (30) |
|ASTM D1004      |         |          |          |          |          |
| kN (lbs)       |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Low Temp.Brittle|-75      |-75       |-75       |-75       |-75       |          |          |
|ASTM D746 C(F)  |(-103)   |(-103)    |(-103)    |(-103)    |(-103)    |   
|________________|_________|__________|__________|__________|__________|
|Seam Strength   |         |          |          |          |          |
|ASTM D 4437     |         |          |          |          |          |          |
|kN/m (lbs/in)   |         |          |          |          |          |
|Shear- Fusion   |14 (80)  |21 (120)  |28 (160)  |35 (200)  |14 (80)   |
|Shear- Extrusion|14 (80)  |21 (120)  |28 (160)  |35 (200)  |14 (80)   |
|________________|_________|__________|__________|__________|__________|
|Peel- Fusion    |10.5 (60)|15.8 (90) |21.0 (120)|26.2 (150)|10.5 (60) |
|Peel- Extrusion |9.2 (52) |13.7 (78) |18.2 (104)|22.8 (130)|9.1 (52)  |
|________________|_________|__________|__________|__________|__________|
|Carbon Black    |2.0      |2.0       |2.0       |2.0       |2.0       |
|ASTM D 1603 (%) |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Envir. Stress   |200      |200       |200       |200       |200       |
|Crack Resist.   |         |          |          |          |          |
|ASTM 5397 Hours |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Manufact.       |CL,LC,DP,|CL,LC,DP, |CL,LC,DP, |CL,LC,DP, |CL,LC,DP, |
|Suggested       |RP,DL,TL,|RP,DL,TL, |RP,DL,TL, |RP,DL,TL, |RP,DL,TL, |
|Applications    |SIL,LPL, |SIL,LPL,  |SIL,LPL,  |SIL,LPL,  |SIL,LPL,  |
|                |SIC      |SIC       |SIC       |SIC       |SIC       |
|________________|_________|__________|__________|__________|__________|

National Seal Co.(Con't) - Geomembrane Product Data

 ______________________________________________________________________                                                                          
|Product         |Friction |Friction  |Friction  |Coex Seal |Coex Seal |
|Name            |Seal HD  |Seal HD   |Seal HD   |          |          |
|________________|_________|__________|__________|__________|__________|
|Polymer Type    |HDPE-T   |HDPE-T    |HDPE-T    |CX        |CX        |
|________________|_________|__________|__________|__________|__________|
|Roll Width      |4.57/260 |4.57/198  |4.57/152  |4.57/152  |4.57, 9.3 |
|Roll Length     |(15/850) |(15/650)  |(15/500)  |(15/30)   |(15, 30)  |
| m(ft)          |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Thickness       |1.5 (60) |2.0 (80)  |2.5 (100) |1.0 (40)  |1.5 (60)  |
|ASTM D751       |         |          |          |          |          |
|mm(mils)        |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Density         |0.94     |0.94      |0.94      |HD 0.94   |HD 0.94   |
|ASTM D1505      |         |          |          |VL 0.91   |VL 0.91   |
|________________|_________|__________|__________|__________|__________|
|Tensile Strength|         |          |          |          |          |
|ASTM D638       |         |          |          |          |          |
|kN/m(lb/in)     |         |          |          |          |          |
|Yield           |23.1(132)|30.8 (176)|38.5 (220)|10.5 (60) |14.7 (84) |
|Elongation %    |13       |13        |13        |17        |17        |
|Break           |23.1(132)|30.8 (176)|38.5 (220)|26.6 (152)|39.9 (228)|
|Elongation %    |200      |200       |200       |800       |800       |
|________________|_________|__________|__________|__________|__________|
|Puncture        |0.35 (78)|0.46 (104)|0.58 (130)|0.27 (60) |0.37 (84) |
|Resistence      |         |          |          |          |          |
|FTMS 101C       |         |          |          |          |          |
|Method 2065     |         |          |          |          |          |
|kN (lbs)        |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|          |
|Tear Resistence |0.20 (45)|0.27 (60) |0.33 (75) |0.08 (18) |0.12 (27) |
|ASTM D1004      |         |          |          |          |          |
| kN (lbs)       |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Low Temp.Brittle|-75      |-75       |-75       |-75       |-75       |          |          |
|ASTM D746 C(F)  |(-103)   |(-103)    |(-103)    |(-103)    |(-103)    |   
|________________|_________|__________|__________|__________|__________|
|Seam Strength   |         |          |          |          |          |
|ASTM D 4437     |         |          |          |          |          |          |
|kN/m (lbs/in)   |         |          |          |          |          |
|Shear- Fusion   |21 (120) |28 (160)  |35 (200)  |9.5 (54)  |14.2 (81) |
|                |         |          |          |          |          |
|Shear- Extrusion|21 (120) |28 (160)  |35 (200)  |9.5 (54)  |14.2 (81) |
|________________|_________|__________|__________|__________|__________|
|Peel- Fusion    |15.8 (90)|21.0 (120)|26.2 (150)|7.4 (42)  |11.0 (63) |
|                |         |          |          |          |          |
|Peel- Extrusion |13.7 (78)|18.2 (104)|22.8 (130)|6.3 (36)  |9.5 (54)  |
|________________|_________|__________|__________|__________|__________|
|Carbon Black    |2.0      |2.0       |2.0       |2.0       |2.0       |
|ASTM D 1603 (%) |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Envir. Stress   |200      |200       |200       |>200      |200       |
|Crack Resist.   |         |          |          |          |          |
|ASTM 5397 Hours |         |          |          |          |          |
|________________|_________|__________|__________|__________|__________|
|Manufact.       |CL,LC,DP,|CL,LC,DP  |CL,LC,DP, |CL,LC,DP, |CL,LC,DP, |
|Suggested       |RP,DL,TL,|RP,DL,TL, |RP,DL,TL, |RP,DL,TL, |RP,DL,TL, |
|Applications    |SIL,LPL, |SIL,LPL,  |SIL,LPL,  |SIL,LPL,  |SIL,LPL,  |
|                |SIC      |SIC       |SIC       |SIC       |SIC       |
|________________|_________|__________|__________|__________|__________|

National Seal Co. (Con't) - Geomembrane Product Data

 ___________________________________________________________
|Product         |Coex Seal|Friction  |Friction  |Friction  |
|Name            |         |Seal CX   |Seal CX   |Seal CX   |
|________________|_________|__________|__________|__________|
|Polymer         |CX       |CX-T      |CX-T      |CX-T      |
|Type            |         |          |          |          |
|________________|_________|__________|__________|__________|
|Roll Width      |4.57, 9.3|4.57/290  |4.57/260  |4.57/198  |
|Roll Length     |(15, 30) |(15/950)  |(15/850)  |(15/650)  |
| m(ft)          |         |          |          |          |
|________________|_________|__________|__________|__________|
|Thickness       |2.0 (80) |1.0 (40)  |1.5 (60)  |2.0 (80)  |
|ASTM D751       |         |          |          |          |
|mm(mils)        |         |          |          |          |
|________________|_________|__________|__________|__________|
|Density         |HD 0.94  |HD 0.94   |HD 0.94   |HD 0.94   |
|ASTM D1505      |VL 0.91  |VL 0.91   |VL 0.91   |VL 0.91   |
|________________|_________|__________|__________|__________|
|Tensile Strength|         |          |          |          |
|ASTM D638       |         |          |          |          |
|kN/m(lb/in)     |         |          |          |          |
|Yield           |19.6(112)|10.5 (60) |14.7 (84) |19.6 (112)|
|Elongation %    |17       |17        |17        |17        |
|Break           |53.2(304)|17.5 (100)|26.2 (150)|35.0 (209)|
|Elongation %    |800      |450       |450       |450       |
|________________|_________|__________|__________|__________|
|Puncture        |0.46     |0.27      |0.37      |0.46      |
|Resistence      |(104)    |(60)      |(84)      |(104)     |
|FTMS 101C       |         |          |          |          |
|Method 2065     |         |          |          |          |
|kN (lbs)        |         |          |          |          |
|________________|_________|__________|__________|__________|
|Tear Resistence |0.16 (36)|0.08 (18) |0.12 (27) |0.16 (36) |
|ASTM D1004      |         |          |          |          |
| kN (lbs)       |         |          |          |          |
|_________