Posachedwapa, NSEN Valve yachita mayeso a neutral salt spray a valavu, ndipo yapambana mayesowo motsogozedwa ndi TUV. Utoto womwe umagwiritsidwa ntchito pa valavu yoyesedwa ndi JOTAMASTIC 90, mayesowo akuchokera pa muyezo wa ISO 9227-2017, ndipo nthawi yoyesererayo imatenga maola 96.

Pansipa ndifotokoza mwachidule cholinga cha mayeso a NSS,

Kuyesa kwa mchere kumatsanzira chilengedwe cha nyanja kapena nyengo ya madera okhala ndi chinyezi cha mchere, ndipo kumagwiritsidwa ntchito poyesa kukana dzimbiri kwa zinthu, zipangizo ndi zigawo zake zoteteza.

Muyezo wa mayeso opopera mchere umalongosola momveka bwino momwe mayeso amachitikira, monga kutentha, chinyezi, kuchuluka kwa sodium chloride solution ndi pH, ndi zina zotero, ndipo umaikanso zofunikira zaukadaulo kuti chipinda choyesera chopopera mchere chigwire ntchito. Njira zowunikira zotsatira za mayeso opopera mchere ndi izi: njira yowunikira, njira yowunikira kulemera, njira yowunikira maonekedwe owononga, ndi njira yowunikira ziwerengero za dzimbiri. Zinthu zomwe zimafunikira mayeso opopera mchere makamaka ndi zinthu zina zachitsulo, ndipo kukana dzimbiri kwa zinthuzo kumafufuzidwa kudzera mu mayeso.

Mayeso oyeserera a malo opopera mchere pogwiritsa ntchito njira yoyesera pogwiritsa ntchito mtundu wa zida zoyesera zomwe zili ndi bokosi loyesera la malo ochulukirapo - mchere, m'malo mwake ochulukira, njira zopangira zimagwiritsidwa ntchito popanga malo opopera mchere kuti aone ngati mankhwalawo ali ndi mphamvu yolimbana ndi dzimbiri. Poyerekeza ndi chilengedwe, kuchuluka kwa mchere wa chloride m'malo opopera mchere kumatha kukhala kangapo kapena kakhumi kuposa kuchuluka kwa mchere m'malo achilengedwe, zomwe zimawonjezera kwambiri dzimbiri. Mayeso opopera mchere a chinthucho amachitidwa ndipo zotsatira zake zimapezeka. Nthawi imafupikitsidwanso kwambiri. Mwachitsanzo, ngati chitsanzo cha chinthucho chayesedwa m'malo owonekera mwachilengedwe, zingatenge chaka chimodzi kudikira dzimbiri, pomwe mayeso omwe ali m'malo opopera mchere pogwiritsa ntchito njira yoyesera amatenga maola 24 okha kuti apeze zotsatira zofanana.

Mayeso a neutral salt spray (NSS test) ndi njira yoyambirira komanso yogwiritsidwa ntchito kwambiri yoyesera dzimbiri mwachangu. Imagwiritsa ntchito 5% sodium chloride salt aqueous solution, pH value ya yankho imasinthidwa mu neutral range (6-7) ngati yankho la spray. Kutentha kwa mayeso ndi 35℃, ndipo sedimentation rate ya spray ya mchere imafunika kukhala pakati pa 1 ～2ml/80cm²·h.