Daban-daban kayan, PE: polyethylene, PP: polypropylene
PP filastik polypropylene mai shimfiɗa, wanda shine nau'in thermoplastic.Jakunkuna PP ainihin jakunkuna ne na filastik.Halayen jakunkuna na PP ba su da guba kuma marasa daɗi.Fuskar jakar PP tana da santsi kuma a bayyane, kuma ana amfani da ita sosai a cikin marufi na kayan kwalliya, abinci, kayan wasan yara, tufafi, kayan rubutu, kayan lantarki, samfuran kayan masarufi da sauran masana'antu.Launi na jakar PP a bayyane yake, inganci mai kyau, mai kyau tauri, mai ƙarfi, kuma ba za a iya karce ba.Kudin sarrafawa na jakunkuna na PP yana da arha sosai, kuma halayen sune: sauƙin ƙonewa, harshen wuta yana narkewa kuma yana ɗigowa, babba rawaya kuma ƙasan shuɗi ne, bayan barin wuta, ƙarancin hayaki kuma ci gaba da ƙonewa.
PE shine taƙaitaccen polyethylene, wanda shine nau'in resin thermoplastic da aka yi ta hanyar polymerization na ethylene.Polyethylene ba shi da wari, ba mai guba ba, yana jin kamar kakin zuma, yana da kyakkyawan juriya mai ƙarancin zafin jiki (mafi ƙarancin zafin jiki zai iya kaiwa -70 ℃ - 100 ℃), yana da kwanciyar hankali mai kyau na sinadarai, kuma yana iya jure yawancin acid da alkalis (ba jure wa kaddarorin oxidizing). Acid), wanda ba zai iya narkewa a cikin kaushi na gabaɗaya a cikin dakin da zafin jiki, ƙarancin ƙarancin ruwa, kyawawan kaddarorin wutar lantarki;amma polyethylene yana da matukar damuwa ga matsalolin muhalli (sakamakon sinadarai da injiniyanci), kuma yana da mummunan juriya na tsufa.Abubuwan da ke cikin polyethylene sun bambanta daga nau'in nau'in zuwa nau'in, galibi ya danganta da tsarin kwayoyin halitta da yawa.Ana iya amfani da hanyoyin samarwa daban-daban don samun samfuran da yawa daban-daban (0.91 ~ 0.96g/cm3).Bugu da ƙari, za a iya kiran kullin filastik na kayan PE jakar PE.Lura cewa murfin filastik wanda ke shiga cikin hulɗar kai tsaye tare da abinci dole ne a yi shi da kayan PE, wanda ya fi aminci ga jikin ɗan adam.
Lokacin aikawa: Juni-17-2021