PET BLOWING MOLDS

▪ Material Choosing
Even through there is present of steel and aluminum blowing molds at the market, the best material for shall and bottom
parts of the mold is aluminum with hardness of 180-200 HB because this material is comparatively, Lighter than steel so mold changing is easier Has a higher machinability so getting the hard designs is easier Cools faster so cycle time decreases.
▪ Design
As blowing mold is designed according to the customer needs, must be paid high attention to get the strongest bottle/jar
with a minimum weight. Also the design of the cooling system has a vital importance.
▪Polishing
Mold polishing has a big importance in terms of the getting good quality and clear final product (bottle/jar)