EFFECTS OF EXTRUSION BLOW MOLDING INTERNAL COOLING ...

Figure 9. Sample Tray Layout
Five minutes after the cycle was complete, the pinch-offs were removed by
twisting them. The containers were then labeled by tray location and placed
right-side-up in a new sample tray. The sample tray was labeled with the date,
run number, and manufacturing method (Fasti or Conventional).
2.2.2 Conditioning
Objective:
To condition container samples after processing to maintain uniform testing
results.
Methods:
Conditioning was performed in accordance with ASTM D-618-00 Standard
Practice for Conditioning Plastics for Testing. The labeled sample trays were
stored in the room where the bottles were formed and various tests were being
performed and allowed to sit for a minimum of 40 hours before being tested.
24