Ibicuruzwa bya Thermoforming bikozwe hashingiwe kumpapuro, birangizwa na extruder. Plastike ibumbabumbwe muburyo bumwe na sisitemu yo gukuramo, kandi muribwo buryo umuvuduko wubatswe na screw ikomeza umutwe wa extruder.
Imyanda ya plastike nikintu cyingenzi cyimyanda ikomeye. Dukurikije imibare, umusaruro ngarukamwaka wo gupakira plastike ku isi ni toni miliyoni 130, naho 50% by’ibicuruzwa bya pulasitike ni ibintu bikoreshwa,
Niba extruder ya twin-screw igabanijwemo ibice bibiri byingenzi bya "extrusion" na "transmit", noneho "igice cyo gukuramo" nigice cyingenzi cy "kwemeza ubuziranenge", naho "igice cyohereza" nigice cyingenzi cy "kunoza imikorere" no "kwemeza ubuziranenge".
Ibara Masterbatch, rizwi kandi nk'amabara, ni ubwoko bushya bwibikoresho byihariye byo gusiga amabara kubikoresho bya polymer, bizwi kandi no gutegura pigment.
Ibikoresho bikozwe mu biti bya pulasitiki bigufi mu magambo ahinnye nka WPC bikozwe muri fibre nkeya ya biomass nk'urusenda, imbaho z'ibiti, imigano, imigano, umuceri, umuceri, ibishishwa by'ibishyimbo, ibyatsi by'ipamba, n'ibindi nk'ibikoresho fatizo by'ibanze. Bivanze nigipimo runaka cyibikoresho fatizo bya plastike ukoresheje amahame ya polymer yimbere ya chimie nibiranga kuzuza plastike no guhindura. Nyuma yo gutunganywa bidasanzwe, biratunganywa kandi bigakorwa mubintu byisubiramo kandi bigasubirwamo hamwe nibikoresho byinshi hamwe nuburyo butandukanye bwimiterere. Ibikoresho bya WPC bifite ibintu bitanu:
Meshing co izunguruka twin screw extruder dukoresha mugikorwa cyacu cyo gukora ifite ibipimo bitandatu byingenzi: impinga yubushyuhe, impinga yumuvuduko, kugabanuka kwijimye, kuvanga indangagaciro