Ho foka ka polasetiki

• Hollow blow molding, mokhoa o potlakileng oa ho sebetsa ka polasetiki. Nakong ea Ntoa ea Bobeli ea Lefatše, ho bopa ho ile ha qala ho sebelisoa ho hlahisa botlolo ea polyethylene e tlaase. Ho elella bofelong ba lilemo tsa bo-50, ho tsoaloa ha polyethylene e phahameng haholo le nts'etsopele ea mochine oa ho bopa ho otla, theknoloji ea ho bōpa e 'nile ea sebelisoa haholo.Bophahamo ba setshelo se sekoti bo ka fihla lilithara tse likete,' me tlhahiso e 'ngoe e laoloa ke k'homphieutha. .
• Lipolasetiki tsa ho bopa ke polyethylene, polyvinyl chloride, polypropylene, polyester joalo-joalo. Lijana tse sekoti li sebelisoa haholo joalo ka lijana tsa ho paka tsa indasteri. The blow molding e ka aroloa ka extrusion blow molding le ente blow molding, 'me e sa tsoa etsoa multi layer blow molding le tensile blow molding e sa tsoa ntlafatsoa.