Thermoforming mankhwala amapangidwa pamaziko a mapepala, amene anamaliza ndi extruder. Pulasitiki ndi kuumbidwa mu yunifolomu kusungunula ndi dongosolo extrusion, ndi njira imeneyi kuthamanga anamanga ndi wononga mosalekeza extruder mutu.
Zinyalala za pulasitiki ndi gawo lofunikira la zinyalala zolimba. Malinga ndi ziwerengero, kupanga pachaka kwa ma CD apulasitiki padziko lonse lapansi ndi matani 130 miliyoni, ndipo 50% yazinthu zamapulasitiki ndizinthu zotayidwa,
Pazachuma chatsopano, malinga ndi kufunikira kwa makasitomala ndi malamulo, payenera kukhala mphamvu zokwanira kuti zikwaniritse zofunikira za makasitomala pa khalidwe lazogulitsa ndi mphamvu.
M'nthawi yatsopanoyi yodzaza ndi chiyembekezo ndi zovuta, pali gulu la achinyamata omwe ali ndi maloto, omwe ali ndi masomphenya okongola amtsogolo, akutuluka m'nyanja ya chidziwitso, ndikulowa mu fakitale ya Chuzhou ya Jwell Machinery. Amachokera ku Wuhu Vocational and Technical College, Jiangsu Agriculture and Forestry Vocational and Technical College, Jiangsu Jurong secondary professional school of Jwell class.
M'mawa pa Ogasiti 30, mwambo wotsegulira "Joint Laboratory of JWELL and SABIC" udachitikira ku Liyang, m'chigawo cha Jiangsu, womwe unakhazikitsidwa limodzi ndi a JWELL komanso kampani yayikulu kwambiri padziko lonse lapansi yamankhwala Saudi Basic Industries Corporation (SABIC).
Ngati mapasa-screw extruder agawidwa m'magulu awiri ofunikira a "extrusion" ndi "transmission", ndiye "extrusion part" ndi gawo lofunikira la "kuwonetsetsa khalidwe", ndipo "gawo lotumizira" ndilo gawo lofunikira la "kupititsa patsogolo ntchito" ndi "kuonetsetsa kuti khalidwe labwino".
Colour Masterbatch, yomwe imadziwikanso kuti colorants, ndi mtundu watsopano wamitundu yapadera yopangira zinthu za polima, yomwe imadziwikanso kuti kukonzekera kwa pigment.
Kuchepetsa mtengo wamayendedwe: Malo omwe ali m'mphepete mwa nyanja amathandizira kugwiritsa ntchito mwayi wotsika mtengo wamayendedwe apanyanja, makamaka potengera mipope yayikulu ndi mtunda wautali. Kunyamula katundu panyanja kumatha kuchepetsa kwambiri ndalama zogulira,