One type of bottle blowing machine is a bottle with pressure, such
as a bottle filled with carbonated beverage; The other is the non
pressure bottle, such as the bottle filled with water, tea, oil,
etc. Tea beverage bottle is a kind of modified PET bottle mixed
with polyethylene naphthalate (pen) or a composite bottle of pet
and thermoplastic poly (aryl ester). It belongs to hot bottle in
classification and can withstand heat above 80 ℃;