Izisebenzi zethu zasefektri PET impahla yeshidi zonke zithola ukuqeqeshwa kokukhiqiza ngaphambi kokuthatha izikhundla zazo ngokusemthethweni. Umugqa ngamunye wokukhiqiza uhlonyiswe ngabasebenzi abaningana abanolwazi ukuqinisekisa ikhwalithi yomkhiqizo.
Sinenqubo ephelele yokulawula ikhwalithi kusukela ezintweni zokusetshenziswa ze-resin kuya ku impahla yeshidi s eseqediwe. Kukhona amageyiji okujiya okuzenzakalelayo emgqeni wokukhiqiza kanye nokuhlolwa ngesandla kwemikhiqizo eseqediwe.
Sinikeza uhla oluphelele lwezinsizakalo ezilula okuhlanganisa ukucheba, kanye nokupakisha. Kungakhathaliseki ukuthi udinga ukupakishwa kwemigqa, noma isisindo nobukhulu obukhethekile, sikuhlangabezile.
| IYUNITHI | YENANI | LENTO | EJWAYELEKILE |
|---|---|---|---|
| OKWEMIKHANI | |||
| Amandla Okuqina @ Ukuzikhandla | 59 | I-Mpa | I-ISO 527 |
| Amandla Okuqina @ Ikhefu | Akukho khefu | I-Mpa | I-ISO 527 |
| Ukwelula @ Ikhefu | >200 | % | I-ISO 527 |
| I-Tensile Modulus ye-Elasticity | 2420 | I-Mpa | I-ISO 527 |
| Amandla Okugobeka | 86 | I-Mpa | I-ISO 178 |
| Amandla Omthelela Ongashintshiwe KaCharpy | (*) | kJ.m-2 | I-ISO 179 |
| I-Charpy Ayinakwanga | Akukho khefu | kJ.m-2 | I-ISO 179 |
| Isikali se-M/R sokuqina kwe-Rockwell | (*) / 111 | ||
| Ukugoba Kwebhola | 117 | I-Mpa | I-ISO 2039 |
| I-Optical | |||
| Ukudluliselwa Kokukhanya | 89 | % | |
| Inkomba Yokubukeza | 1,576 | ||
| UKUTHAKAZELA | |||
| Izinga lokushisa eliphezulu lesevisi2024 | 60 | °C | |
| Indawo Yokuthambisa yeVicat - 10N | 79 | °C | I-ISO 306 |
| Indawo Yokuthambisa yeVicat - 50N | 75 | °C | I-ISO 306 |
| I-HDT A @ 1.8 Mpa | 69 | °C | I-ISO 75-1,2 |
| I-HDT B @ 0.45 Mpa | 73 | °C | I-ISO 75-1,2 |
| I-Coefficient Yokwanda Okushisayo Okuqondile x10-5 | <6 | x10-5 .ºC-1 | |
PET impahla yeshidi iyipulasitiki impahla yeshidi eyenziwe nge -polyethylene terephthalate ( PET ) , into eqinile nebonakalayo ye-thermoplastic. Isetshenziswa kabanzi ekupakisheni, ekushiseni, ekunyatheliseni, nasekusetshenzisweni kwezimboni ngenxa yokucaca kwayo okuhle kakhulu, amandla, kanye nokuphindeka kwayo.
PET impahla yeshidi zinikeza ukumelana okuhle komthelela, ukuzinza kwamakhemikhali , kanye nokuvumelana kobukhulu , okwenza zifaneleke kokubili ukusetshenziswa kwebanga lokudla kanye nezimboni.
PET impahla yeshidi inikeza izinzuzo eziningana ezibalulekile:
Ukucaca okuphezulu kanye nokukhanya
Okuhle kakhulu Amandla amahle kanye nokumelana nomthelela
Ukumelana okuhle kwamakhemikhali nomswakama
Okulula futhi kulula ukukucubungula Kungasetshenziswa
kabusha ngo-100% futhi kunobungani nemvelo
Kufanelekela ukusetshenziswa kokudla okuthintana nakho
Lezi zakhiwo zenza PET impahla yeshidi kube yinto ekhethwayo yokulungisa ukushisa, ukupakisha, kanye nemikhiqizo yokubonisa.
Naphezu kwezinzuzo zayo, PET impahla yeshidi nayo inemikhawulo ethile:
Ukumelana nokushisa okuphansi uma kuqhathaniswa nezinto ezifana ne-PP noma i-PC
Ayifanele ukusetshenziswa kwezinga lokushisa eliphakeme isikhathi eside
Ingase ibe buthakathaka emazingeni okushisa aphansi kakhulu
Izindleko eziphakeme kune- PVC kwezinye izinhlelo zokusebenza
Ukukhetha ibanga kanye nobukhulu obufanele be- PET kungasiza ekunciphiseni le mikhawulo.
Ama- PET impahla yeshidi avame ukusetshenziswa ku:
Ukupakisha ukudla amathreyi kanye neziqukathi
Ukupakisha ama-blister kanye nokupakisha ama-clamshell
Imikhiqizo yokupakisha eyenziwe nge-thermoformed
Ukuphrinta, ukugoqa amabhokisi, kanye nokubonisa
Ukupakisha kwezokwelapha kanye nezimboni
Ukucaca nokuphepha kwazo kuzenza zithandeke kakhulu ekudleni nasekupakisheni kwabathengi.
Yebo, i- PET impahla yeshidi iphephile ekudleni uma ikhiqizwa nge -resin engakazalwa, esezingeni lokudla PET . I-Food-grade PET impahla yeshidi s ayinabo ubuthi, ayinaphunga, ayinayo i-BPA , futhi ifaneleka ukuthintana nokudla ngqo. .
Isetshenziswa kabanzi ekudleni amathreyi , ezitsheni zezithelo, ekupakisheni kwebhikawozi, kanye nasekupakisheni iziphuzo , futhi ingahambisana ne -FDA, ukuxhumana nokudla kwe-EU, kanye nezinye izindinganiso zomhlaba wonke , kuye ngokuthi inqubo yokwakheka kanye nokukhiqiza isetshenziswa kanjani.
Ubukhulu obusetshenziswa kakhulu PET impahla yeshidi busukela ku -0.2 mm kuya ku-1.5 mm , kuye ngokuthi kusetshenziswe kanjani.
0.2–0.5 mm : Ukupakisha ama-blister, amabhokisi agoqekayo
0.5–1.0 mm : Ukudla okwakha i-thermoforming amathreyi kanye nezitsha
1.0–1.5 mm : Ukupakisha kwezimboni kanye nezinhlelo zokusebenza eziqinile
Izinketho zobukhulu ezenziwe ngokwezifiso ziyatholakala ngezidingo ezithile.
PET : Igama elijwayelekile lezinto ze-polyethylene terephthalate.
APET : I-Amorphous PET enokucaca okuphezulu, evame ukusetshenziswa ekufakweni kwe-thermoforming kanye nokupakisha ukudla.
RPET : Kusetshenziswe kabusha PET okwenziwe ngemuva komthengi PET , okunikeza izinzuzo zemvelo.
PETG : Kuguquliwe PET nge-glycol eyengeziwe, okunikeza ukuguquguquka okungcono kanye nokucutshungulwa okulula.
Uhlobo ngalunye lufanelekela ukusebenza okuhlukile, ukusimama, kanye nezidingo zokucubungula.
Ake Sithole Isixazululo Esifanele Sepulasitiki




