recorded and rated as 0 to 5 using the ratings criteria as defined herein versus a control made from 100 windshield edge trim in the following table 5 after the pulling test the entire set up was put back in a vacuum oven under nitrogen at 36 u2013 41 u00b0 c overnight after cooling the same pulling procedures were repeated and the difficulty easiness of the pulling was rated and recorded in table 5 all the procedures were repeated for the third time but the vacuum oven temperature was set at 46 to 50 u00b0 c overnight the toughener was melt blended together with nylon 6 ultramid b 3 available commercially from basf corp and glass fiber ppg 3660 available commercially from ppg industries the additives are all commercially available or described herein the free flowing toughener described above as sample c was used during the operation for melt blending the ingredients were primarily fed through individually controlled loss in weight feeders however for ease and control of feeding the nylon and the low percentage additive ingredients were first dry blended by tumbling in a drum the mixture was then compounded by melt blending in a 40 mm werner amp pfleiderer co rotating twin screw extruder with a barrel temperature about 240 u00b0 c and a die temperature of about 250 u00b0 c all the ingredients were fed into the first barrel section except the glass fiber which was fed into the sixth barrel section by use of a sidefeeder extrusion was carried out with a port under vacuum the screw speed was 250 rpm and the total extruder feed rate was 150 pounds per hour the resulting strand was quenched in water cut into pellets and sparged with nitrogen until.