EFFECTS OF EXTRUSION BLOW MOLDING INTERNAL COOLING ...
EFFECTS OF EXTRUSION BLOW MOLDING INTERNAL COOLING ...
EFFECTS OF EXTRUSION BLOW MOLDING INTERNAL COOLING ...
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Table 12. Percent Crystallinity at Points in Heel<br />
12:00 3:00 6:00 9:00<br />
Conventional<br />
Thickness (in.) 0.0261 0.0175 0.0256 0.0192<br />
J/g 220.5 222.8 226.8 234.5<br />
%-Crystallinity 77.04% 77.85% 79.25% 81.94%<br />
Fasti<br />
Thickness (in.) 0.0223 0.0180 0.0289 0.0177<br />
J/g 225.8 225.7 231 236.7<br />
%-Crystallinity 78.90% 78.86% 80.71% 82.70%<br />
Of further interest is the difference in crystallinity between conventional and Fasti<br />
containers. The data in Table 12 shows no significant difference in percent<br />
crystallinity between manufacturing methods.<br />
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