Zipangizo zisanu ndi zitatu zamagetsi otetezera mankhwala ndi zolemba mwatsatanetsatane

Magolovesi oteteza ku mankhwala

Ndi gawo lofunikira pakupanga mankhwala ndipo itha kuteteza thanzi la ogwira ntchito. Anthu ambiri amadziwa magolovesi oteteza ku mankhwala, koma samadziwa zokwanira. Nayi mitundu isanu ndi itatu yamagolovesi oteteza ku mankhwala, ndikufotokozera mwachidule zomwe zimagwirizana.

 

Yoyamba: latex wachilengedwe

Nthawi zambiri, latex wachilengedwe amakhala ndi chitetezo chabwino pamayankho amadzimadzi, monga acid ndi zamchere zamadzimadzi. Ubwino wake ndikutonthoza, kutengeka bwino ndikugwiritsa ntchito mosavuta.

 

Mtundu wachiwiri: Nitrile

Ili ndi zotetezera mafuta, mafuta, zopangira mafuta, zotsekemera ndi zosungunulira zosiyanasiyana. Komabe, kutupa kumatha kuchitika mu zosungunulira zina, zomwe zimakhudza mawonekedwe ake ndikuchepetsa chitetezo.

 

Mtundu wachitatu: polyvinyl chloride (PVC)

Zimateteza ku mankhwala ambiri osungunuka ndi madzi, monga zidulo ndi alkalis, koma sizingateteze zinthu zachilengedwe monga zosungunulira, chifukwa zosungunulira zambiri zimasungunula ma plasticizers omwe ali mkati mwake, omwe sangangopangitsa kuipitsa, koma Amachepetsanso kwambiri zotchinga magolovesi.

 

Chachinayi: Neoprene:

Imakhala bwino ngati mphira wachilengedwe. Ili ndi chitetezo chabwino cha zopangira petrochemical ndi mafuta, imatha kukana ozoni ndi cheza cha ultraviolet, komanso imakhala ndi mphamvu zotsutsana ndi ukalamba.

 

Lachisanu: polyvinyl mowa:

Imakhala ndi zotetezera pazosungunulira zambiri zachilengedwe, koma imasungunuka mosavuta m'madzi, ndipo mphamvu yake imachepetsedwa mukakumana ndi madzi, ndipo nkhaniyo ndi yovuta komanso yosavuta kuyikonza.

 

Chachisanu ndi chimodzi: mphira wopangira wa butyl

Imakhala ndi chitetezo chabwino pamankhwala opangidwa ndi organic ndi ma acid amphamvu. Ndizovuta kupanga ndikusintha. Ilibe chitetezo chilichonse pamafuta ndi mafuta, koma imakhala ndi zoteteza pamipweya.

 

Chachisanu ndi chiwiri: Mphira wa fluorine

Polima wonyezimira, gawoli ndi lofanana ndi Teflon (polytetrafluoroethylene), ndipo mphamvu yake yotsegulira pamwamba ndiyotsika, motero madontho sangakhale pamtunda, omwe angapewe kulowa kwa mankhwala. Ndiwothandiza kwambiri pazitsulo zokhala ndi ma chlorine ndi ma hydrocarboni onunkhira. Mphamvu yoteteza.

 

Lachisanu ndi chitatu: Chlorosulfonated polyethylene:

Ili ndi zoteteza pazinthu zambiri zamankhwala, imatha kuteteza ma alkalis, mafuta, mafuta ndi zosungunulira zambiri, ndipo imatha kulimbana ndi kutentha kwazitali komanso kutsika, kuvala kukana, kukana kupindika ndi zina zambiri.

Omwe amagwiritsidwa ntchito kwambiri makamaka ndi latex yachilengedwe, butyronitrile, ndi polyvinyl chloride (PVC) yoluka magolovesi.


Post nthawi: Jul-06-2020