made into a hosiery knit fabric in one comparison illustrated in fig1 where the results of pilling tests are shown in a bar graph p 472 fabric c shows superior results to a fabric of pet not a copolymer a which represents fiber used commercially pills are the undesirable little balls of fiber on the surface of a fabric that significantly detract from the appearance of the fabric the test results shown in fig1 were obtained from tests conducted according to aatcc astm ts 008 procedures in which the test fabric sample were 1 2 denier 38 mm long of dyed hose knit which were abraided after each of the wash cycles i e after 3 10 25 and 50 wash cycles no pilling is represented by the number 5 and 1 indicates severe pilling as can be seen with 3 and 10 wash cycles there is little difference between the test results but at 50 wash cycles the knit samples of p 472 showed less pilling the difference being between 3 and 4 on the graph a difference of 1 unit is visibly significant the samples knitted from ecosure u00ae yarn b demonstrated the best pilling resistance as shown in fig1 in a preferred embodiment and best mode the ecosure u00ae yarn which was prepared from ipa pet recycled bottle flake in very large flake batches e g in the range from several hundred thousand pounds up to one million pounds and more the flake contains 0 8 to 1 4 ipa and was tumble blended to produce a.