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i~ <br />' 4.2.3.1 Required Propgrties of Very I.ow Density Polyethylene <br />1 <br />~' <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br />REQUIRED PROPERTIES OF VERY LOW <br />DENSITY POLYETHYLENE (VLDPE) <br /> Typical Property VaYres <br /> <br />Property Test <br />Designation <br />30 mil <br />40 mil <br />ti0 mil <br />Thickness, mils, ASTM D 1593 30 mils 40 mils 60 mils <br />minimum +10% <br /> average mil <br /> thickness <br />Specific Gravity ASTM D 292 No more than 0.15 greater than base resin <br />(glcc), maximum Method A density (.91 to .925 g/cm') <br />Melt Index (g! 10 ASTM D 1238 <br />min., maximum) Condition E <br />Blown Film 0.6 0.6 0,6 <br />Process <br />Extrusion < 1.0 < 1.0 < 1.0 <br />Process <br />Carbon Black Content ASTM D 1603 2 to 3 % 2 to 3 % 2 to 3 % <br />(%) <br />Carbon Black ASTM D 3015 A-1, A-2 A-1, A-2 A•1, A-2 <br />Dispersion <br />Tensile Properties Minimum Property Val es <br />1, Stress at Break/ ASTM D 638 I l2 145 215 <br />Ultimate Type IV <br />Tensile specimen at 2 <br />Strength inches/ minute <br />(poundslinch <br />width) <br />2. Strain at Break/ 800 800 800 <br />Elongation % <br />-s- <br />