Mapepala a polystyrene

Kodi mapepala a polystyrene ndi chiyani?

Mapepala a polystyrene ndi mapepala apulasitiki olimba komanso opepuka opangidwa kuchokera ku ma monomers a styrene opangidwa ndi polymerized. Amagwiritsidwa ntchito kwambiri popaka, kutchinjiriza, zizindikiro, ndi kupanga chifukwa cha kusinthasintha kwawo komanso kusavuta kupanga. Mapepala a polystyrene omwe amapezeka m'makulidwe osiyanasiyana komanso kumapeto, amagwira ntchito zamalonda komanso zamafakitale.

Kodi mitundu ikuluikulu ya mapepala a polystyrene ndi iti?

Mapepala a polystyrene amagawidwa m'magulu awiri: General Purpose Polystyrene (GPPS) ndi High Impact Polystyrene (HIPS). GPPS imapereka kumveka bwino komanso kulimba, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito powonekera. HIPS ndi yolimba komanso yolimba, yomwe nthawi zambiri imagwiritsidwa ntchito popaka ndi kuwonetsa zinthu.

Kodi mapepala a polystyrene amagwiritsidwa ntchito bwanji nthawi zambiri?

Mapepala a polystyrene amagwiritsidwa ntchito kwambiri m'mafakitale monga kulongedza, kutsatsa, zomangamanga, ndi zaluso. Amagwiritsidwa ntchito ngati zipangizo zabwino kwambiri zowonetsera malo ogulitsira, zitsanzo za zomangamanga, ndi zokutira makoma. Kuphatikiza apo, amagwiritsidwa ntchito nthawi zambiri popanga zinthu zapulasitiki zooneka ngati thermoforming.

Kodi mapepala a polystyrene ndi oyenera kugwiritsidwa ntchito panja?

Mapepala a polystyrene sali otetezedwa ku UV ndipo amatha kuwonongeka akamawotchedwa ndi dzuwa kwa nthawi yayitali. Pa ntchito zakunja, mitundu yokhazikika kapena yokutidwa ndi UV imalimbikitsidwa. Popanda chitetezo, nsaluyo imatha kusweka ndikusintha mtundu pakapita nthawi.

Kodi mapepala a polystyrene angagwiritsidwenso ntchito?

Inde, mapepala a polystyrene amatha kubwezeretsedwanso, ngakhale kuti njira zobwezeretsanso zimadalira malo am'deralo. Amagwera pansi pa pulasitiki resin code #6 ndipo amafunika kukonzedwa mwapadera. Polystyrene yobwezeretsedwanso nthawi zambiri imagwiritsidwanso ntchito mu zinthu zopakira, zinthu zotetezera kutentha, ndi zinthu za muofesi.

Kodi mapepala a polystyrene ndi otetezeka kuti akhudze chakudya?

Polystyrene Yogwira Mtima Kwambiri (HIPS) nthawi zambiri imaonedwa kuti ndi yotetezeka pa chakudya ikapangidwa kuti ikwaniritse miyezo yovomerezeka. Nthawi zambiri imagwiritsidwa ntchito pa mathireyi a chakudya, zivindikiro, ndi zidebe. Nthawi zonse onetsetsani kuti zinthuzo zikutsatira malamulo a FDA kapena EU musanagwiritse ntchito pazakudya.

Kodi mungadule bwanji mapepala a polystyrene?

Mapepala a polystyrene amatha kudulidwa pogwiritsa ntchito zida zosiyanasiyana monga mipeni yogwiritsira ntchito, zodulira waya wotentha, kapena zodulira za laser. Kuti m'mbali mwake mukhale oyera komanso olondola, makamaka pamapepala okhuthala, chotsukira tebulo kapena rauta ya CNC chimalimbikitsidwa. Nthawi zonse tsatirani njira zodzitetezera ndipo gwiritsani ntchito zida zodzitetezera mukadula.

Kodi mungathe kujambula kapena kusindikiza pa mapepala a polystyrene?

Inde, mapepala a polystyrene amatha kusindikizidwa bwino kwambiri ndipo amagwiritsidwa ntchito kwambiri posindikiza pazenera komanso kusindikiza kwa digito. Amalandiranso utoto wambiri wopangidwa ndi zosungunulira ndi acrylic wokhala ndi kukonzekera bwino pamwamba. Kupaka pamwamba pasadakhale kungathandize kuti pakhale kumamatira komanso kulimba.

Kodi mapepala a polystyrene ndi otetezedwa ku mankhwala?

Polystyrene imakhala ndi kukana pang'ono kwa mankhwala, makamaka madzi, asidi, ndi mowa. Komabe, siimalimbana ndi zosungunulira monga acetone, zomwe zimatha kusungunula kapena kuwononga zinthuzo. Nthawi zonse onetsetsani kuti zikugwirizana ndi mankhwala enaake musanagwiritse ntchito.

Kodi kutentha kwa mapepala a polystyrene kumasiyana bwanji ndi kutentha kwa chipinda?

Mapepala a polystyrene nthawi zambiri amatha kupirira kutentha pakati pa -40°C mpaka 70°C (-40°F mpaka 158°F). Kutentha kwambiri, zinthuzo zimatha kuyamba kupindika, kufewa, kapena kusokonekera. Sizovomerezeka m'malo otentha kwambiri kapena kugwiritsa ntchito malawi otseguka.