PET bottles are reprocessed by blow molding to form plastic bottles, including bottles used for packaging food, candy, spices, health care products, medicine, reagents, beverages, mineral water, etc. This kind of bottle making method is called a two-step method, that is, through injection molding.PET Bottles Wholesalers A method of forming a preform and then forming a PET plastic bottle through blow molding.
High-quality PET plastic bottles should have the following characteristics:
⑴ Bottle mouth appearance
The end surface of the bottle mouth should be flat, without damage or gaps, intact threads, complete crystals, no overflow, no snagging, no deformation, and no oil stains inside and outside.
⑵Bottle body
Good molding, high transparency, no bubbles, black spots, oil stains, stale materials, scratches, hard rings, atomization, whitening, colored bottles should be uniform in color, without obvious color difference.
⑶Bottom of bottle
The shape is good, no depression, no protrusion, no center store deviation, no crack at the bottom of the bottle, no delamination.
⑷ hygiene
The exterior of the bottle is clean, dry, free of oil and dust, no peculiar smell, and no impurities in the bottle.
⑸Appearance after filling
The mouth and body of the bottle have no shrinkage deformation, no flat bottle, no side wall deformation, no convex bottom, no depression.
