0 2 mil blend 1 0 mil ldpe dupont 1640 coat on the foil dupont 1640 has a density of 0 923 g cc and a melt index of 4 g 10 min the blend was melted in a 2 5 inch diameter 70 inch length single screw extruder and the ldpe in a 4 5 inch 126 inch length single screw diameter extruder melt temperature was 321 322 u00b0 c for the blend and 324 325 u00b0 c for the ldpe the line speed was 400 feet per minute fpm and the air gap 8 inches tiag 100 ms one inch wide strips were cut in the md from near the center of the coated foil the coating was separated from the foil and placed into the jaws of a tensile tester the peel force was measured according to the procedure of astm f904 in a t peel configuration with a pull speed of 12 inches per minute the average peel strength u00b1 one standard deviation of 5 specimens for each blend is reported in table 4 green measurements were obtained within a few hours of production 1 week measurements are after 1 week of aging at 50 rh 72 u00b0 f blends having the components shown in table 5 were co extrusion coated onto 2 mil foil using a coating line equipped with an er we pa egan davis standard company feedblock and a cloeren edge bead reduction ebr die blends of the present invention were 20 by weight acr with 80 by weight ldpe petrothene na204 the resulting structure was a coated foil having a 0 3 mil blend 1 5 mil ldpe petrothene na204 coat on the foil the blend was melted in a 2 5 inch diameter 70 inch length single.