Kwantenan filastik da aka saba amfani da su a cikin dakin gwaje-gwaje sun haɗa da kwalabe na reagent, bututun gwaji, kawunan tsotsa, bambaro, kofuna masu aunawa, silinda mai aunawa, sirinji da za a iya zubarwa da kuma pipettes.Samfuran filastik suna da halaye na sauƙi mai sauƙi, aiki mai dacewa, kyakkyawan aikin tsafta da ƙarancin farashi.A hankali suna maye gurbin samfuran gilashi kuma ana amfani da su sosai a cikin binciken kimiyya, koyarwa da sauran fannoni.
Nau'in samfuran filastik da aka saba amfani da su a dakunan gwaje-gwaje
Babban bangaren robobi shi ne guduro, tare da robobi, fillers, man shafawa, masu launin launi da sauran abubuwan ƙari a matsayin kayan taimako.Kayayyakin filastik tare da sassa daban-daban suna da kaddarorin daban-daban.Kayayyakin filastik waɗanda ba su kula da kayan halitta, kamar polyethylene, polypropylene, polymethylpentene, polycarbonate, polystyrene da polytetrafluoroethylene, gabaɗaya ana zaɓa don dakunan gwaje-gwaje.Chemical reagents na iya rinjayar da inji ƙarfi, taurin, surface gama, launi da girman da filastik kayayyakin.Don haka, ya kamata a fahimci aikin kowane samfurin filastik yayin zabar samfuran filastik.
Babban bangaren robobi shi ne guduro, tare da robobi, fillers, man shafawa, masu launin launi da sauran abubuwan ƙari a matsayin kayan taimako.Kayayyakin filastik tare da sassa daban-daban suna da kaddarorin daban-daban.Kayayyakin filastik waɗanda ba su kula da kayan halitta, kamar polyethylene, polypropylene, polymethylpentene, polycarbonate, polystyrene da polytetrafluoroethylene, gabaɗaya ana zaɓa don dakunan gwaje-gwaje.Chemical reagents na iya rinjayar da inji ƙarfi, taurin, surface gama, launi da girman da filastik kayayyakin.Don haka, ya kamata a fahimci aikin kowane samfurin filastik yayin zabar samfuran filastik.
1. Polyethylene (PE)
Tsawon sinadarai yana da kyau, amma zai zama oxidized kuma gaggautsa lokacin saduwa da oxidant;Ba shi da narkewa a cikin sauran ƙarfi a zafin jiki, amma zai zama mai laushi ko faɗaɗa idan akwai sauran ƙarfi mai lalacewa;Kayan tsabta shine mafi kyau.Misali, ruwan da ake amfani da shi don matsakaicin al'ada yawanci ana adana shi a cikin kwalabe na polyethylene.
2. Polypropylene (PP)
Mai kama da PE a cikin tsari da aikin tsafta, fari ne kuma mara daɗi, tare da ƙaramin yawa, kuma shine mafi sauƙi tsakanin robobi.Yana da tsayayya ga babban matsin lamba, mai narkewa a cikin zafin jiki, baya aiki tare da yawancin kafofin watsa labaru, amma ya fi dacewa da oxidants mai ƙarfi fiye da PE, ba shi da tsayayya ga ƙananan zafin jiki, kuma yana da rauni a 0 ℃.
3. Polymethylpentene (PMP)
M, high zafin jiki resistant (150 ℃, 175 ℃ na ɗan gajeren lokaci);Juriya na sinadarai yana kusa da na PP, wanda aka sauƙaƙe ta hanyar chlorinated solvents da hydrocarbons, kuma ya fi sauƙi oxidized fiye da PP;High tauri, high brittleness da fragility a dakin zafin jiki.
4. Polycarbonate (PC)
M, m, mara guba, high matsa lamba da mai resistant.Yana iya amsawa da alkali barasa da maida hankali sulfuric acid, hydrolyze da narke a daban-daban Organic kaushi bayan an mai tsanani.Ana iya amfani da shi azaman bututun centrifuge don bakara gabaɗayan tsari a cikin akwatin haifuwar ultraviolet.
5. Polystyrene (PS)
Mara launi, mara ɗanɗano, mara guba, m, kuma na halitta.Rashin ƙarfi juriya, ƙananan ƙarfin inji, gatsewa, mai sauƙin fashe, juriya mai zafi, mai ƙonewa.An fi amfani da shi don yin kayan aikin likita na zubarwa.
6. Polytetrafluoroethylene (PTEE)
Farar fata, bayyanuwa, mai jurewa, wanda aka saba amfani dashi don yin filogi iri-iri.
7. Polyethylene terephthalate G copolymer (PETG)
A bayyane, tauri, iska, kuma ba tare da gubar ƙwayoyin cuta ba, ana amfani dashi sosai a cikin al'adun tantanin halitta, kamar yin kwalabe na al'adar tantanin halitta;Za'a iya amfani da sinadarai na rediyo don kashe ƙwayoyin cuta, amma ba za a iya amfani da ƙwayar cuta mai ƙarfi ba.
Lokacin aikawa: Satumba-27-2022