The process of making PET bottles starts with a properly designed preform. The preform design must be based on the cap mould/mold finished bottle's dimensions and the stretchability of the PET grade. A preform is then heated and conditioned before being placed in a PET bottle blowing mould. The pref...

Plastic Pet Mold - How to Make a Valve Gate, Crystalline, Or Hot Ru er Mold When it comes to plastic pet mold, you have a few  This mold is designed with a hot ru er and a valve gate system. The hot ru er heats the resin and dispenses it into the cavity as the gate opens and closes. The valve gate s...