Yau za mu gabatar da manyan abubuwa uku don epe net, ya haɗa da LDPE HDPE PP.

一,Babban bambanci tsakanin LDPE (ƙananan yawa polyethylene) da HDPE (high density polyethylene) ya ta'allaka ne a cikin yawan su, kaddarorin jiki, amfani, da sauransu.

1. Yawa da kamanni:

Yawan LDPE yawanci tsakanin 0.910-0.940g/cm³, yayin da yawan HDPE yana tsakanin 0.940-0.976g/cm³.

LDPE yana da bayyanar fari mai madara kuma yana da ɗanɗano kaɗan a cikin sassan bakin ciki, yayin da HDPE gabaɗaya ba ta da kyau kuma tana da farar fata mai shuɗi.

2. Kaddarorin jiki:

LDPE yana da ɗan laushi, yana da tauri mai kyau, kyakkyawar bayyananniyar fahimta, da jin santsi. Yana da ƙarancin kwanciyar hankali yayin gyare-gyare da sarrafawa, kuma yana da wahala a haɗa shi.

HDPE yana da ƙarfi mai ƙarfi, ƙaƙƙarfan ƙarfi, da ƙarfi mai ƙarfi, kusa da PP (polypropylene), ya fi PP ƙarfi, kuma yana da tsayayyar zafin jiki mai kyau.

3. Amfani:

LDPE yana da ƙarancin ɗanɗanon narkewa, ruwa mai kyau, kuma yana da sauƙin sarrafawa. Ya dace da samar da bututun ruwan sha, da dai sauransu.

HDPE ya dace da yin zane-zane, matakin gyaran allura, ƙima mara kyau da samfuran ingancin fim, kamar gidajen kamun kifi, kwalaben abin sha da jakunkuna.

4. Juriya na sinadarai:

Dukansu suna da kyakkyawan juriya ga yawancin sinadarai na gida da na masana'antu, amma HDPE ya fi juriya ga acid, lalata alkali da kaushi.

5. Juriyar zafi da juriyar tsufa:

LDPE yana da mummunan juriya na zafi, juriya na tsufa da juriya na damuwa na muhalli kamar HDPE, kuma yana da haɗari ga tsufa, lalata da canza launi.

HDPE yana da kyakkyawan juriya na zafin jiki mai kyau amma ƙarancin ƙarancin zafin jiki mara kyau. Rashin hasara shi ne cewa juriya na tsufa da juriya na damuwa na muhalli ba su da kyau kamar LDPE.

二,Babban bambance-bambance tsakanin kayan PP da PE sune kamar haka:

1. Sinadaran: Babban bangaren PP shine polypropylene, yayin da babban bangaren PE shine polyethylene.

2. Halaye: PP yawanci mai launi mara launi, mai wari da maras guba, tare da babban juriya na zafi, nuna gaskiya, ƙarfin injiniya da sauran halaye; PE sanannen kayan tuntuɓar abinci ne a cikin duniya, mara guba, mara ɗanɗano, Ba shi da wari, yana jin kamar kakin zuma, yana bin ka'idodin tsabta don marufi abinci, yana da kyakkyawan ductility, ba shi da sauƙi a lalace, kuma yana da kyakkyawan yanayin zafi.

3. Iyakar amfani: PP za a iya amfani da su yi greenhouse iska rumfa, ciyawa fina-finai, al'adu kwalabe, da dai sauransu, da kuma za a iya amfani da su yi abinci juya kwalaye, abinci bags, da dai sauransu PE za a iya sarrafa ta busa gyare-gyare, extrusion. , gyare-gyaren allura da sauran hanyoyin, kuma ana amfani da su sosai a masana'antar fina-finai, samfurori mara kyau, da dai sauransu.