Zopaka Zopaka Phosphate Pretreatment for Steel Substrates

Zopaka Zopaka Phosphate Pretreatment for Steel Substrates

The anazindikira chisanadze mankhwala kwa zitsulo magawo atangotsala pang'ono ntchito ufa ndi phosphating amene angasiyane mu ❖ kuyanika kulemera.

Kuchuluka kwa kutembenuka ❖ kuyanika kulemera kwambiri kukula kwa dzimbiri kukana akwaniritsa; m'munsi ❖ kuyanika kulemera bwino makina katundu.

Choncho m'pofunika kusankha kusagwirizana pakati pa makina katundu ndi dzimbiri kukana. Zolemera zokutira za phosphate zingayambitse vuto zokutira za ufa mu kristalo kuthyoka akhoza kuchitika pamene ❖ kuyanika ndi pansi ntchito mawotchi mphamvu m'deralo, mwachitsanzo. kupindika kapena kukhudza.

Chifukwa cha kumamatira kwabwino kwa kupaka ufa ku zokutira phosphate, kutayika kumachitika kawirikawiri pa mawonekedwe a phosphate / zitsulo gawo lapansi osati pa mawonekedwe a phosphate / ufa.

Zovala za phosphate zimaphimbidwa ndi BS3189/1959, Gulu C la zinc phosphate ndi Gulu D la chitsulo cha phosphate.
A bwino njere crystalline nthaka mankwala tikulimbikitsidwa ❖ kuyanika kulemera kwa 1-2g/m2 ndi chitsulo mankwala pa 0.3-1g/m2. Ntchito ikhoza kupangidwa ndi spray kapena dip. Chromate passivation nthawi zambiri sikofunikira.

Zopaka za iron phosphate nthawi zambiri zimapopera pazigawo zitatu kapena zinayi. Ntchitoyi nthawi zambiri imadutsa magawo awiri otsuka madzi musanayanike.

Zinc phosphate imatha kupopera kapena kuviika pakuchita masitepe asanu, mwachitsanzo. alkali degrease, nadzatsuka, zinc phosphate, madzi rinses awiri.

Ndikofunikira kuti workpiece pambuyo phosphating ndi ufa TACHIMATA mwamsanga pambuyo kuyanika.

Kukonzekera kwa Phosphate Coatings