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Many of the defects found in PET container preforms can be detected using the QCI-1-90 . Preforms viewed in polarized light exhibit a coloured birefringence pattern. The birefringence is a result of the polymer flow lines ( molecular orientational strain )produced during the injection moulding process. By correctly interpreting these flow patterns many preform defects can be detected.
[Related Keywords : PET preforms, polariscope, birefringence, Quality Control]
Business Type
Manufacturer
Employees Total
1 - 5
Annual Revenue
USD 100,000 - 500,000
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