An buga 2018-03-21A amfani da dacromet shafi, mafi yawan kamfanoni' misali raga bel tanderu heaters sarrafa preheat yankin zafin jiki 80 ~ 120 ℃. Babban manufar wannan dumama shi ne don ƙafe danshi a cikin shafi ba tare da tafasa, a lokaci guda, shi ne lalle ne haƙĩƙa tare. ta hanyar sinadarai na raguwar chromium hexavalent ta barasa.
Hanyar don wannan ƙaddarar ita ce cakuda mai tsabta Dacromet B (aqueous chromic anhydride) da polyethylene glycol reductant a cikin rabo.An gasa murfin a kan nunin gilashi kuma an yi zafi a 120 ° C na minti 15.Ruwan ya kwashe kuma ragowar abu shine fim mai duhu koren duhu.
Idan yanki na gwajin ya yi zafi zuwa minti 120, launi na murfin ya zama kore mai haske, kuma murfin ya zama mai wuya, amma ana iya wanke shi da ruwa.Babu shakka, ba zai yiwu a yi amfani da dumama na dogon lokaci a 120 ° C don yin aiki da suturar Dacromet ba.
Lokacin aikawa: Janairu-13-2022