Blow molding plastic containers that container is processed by blow molding method. Knowledge about the appearance and performance testing of plastic containers aspects are described below:
     1, Appearance: symmetric parts of the barrel wall thickness ratio not greater than 2:1, no blisters, no adverse plasticizers, wall, flat and smooth mouthpiece, the bubble diameter of not more than 2mm of more than 2, no more than the length of the black spots of impurities 4mm, bucket mouth piece coincides closely interchangeability.
     2, the performance test: open plastic containers must be vertical impact drop test, stacking test, seal test. Closed plastic containers must be vertical impact drop test, stacking test, tightness test, hydraulic test. Mounted handle and integral handle plastic containers hanging test needs to be done.
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