Nā ʻano lapaʻau Phosphate no ka uhi ʻana i ka pauka

Nā ʻano lapaʻau Phosphate no ka uhi lepo

Phosphate hao

ʻO ka lapaʻau ʻana me ka hao phosphate (i kapa pinepine ʻia ʻo ka thin layer phosphating) e hāʻawi i nā waiwai adhesion maikaʻi loa a ʻaʻohe hopena ʻino i nā waiwai mechanical o ka uhi pauda. Hāʻawi ka hao phosphate i ka pale ʻino maikaʻi no ka ʻike ʻana i nā papa ʻino haʻahaʻa a waena, ʻoiai ʻaʻole hiki ke hoʻokūkū me ka zinc phosphate ma kēia ʻano. Hiki ke hoʻohana ʻia ka hao phosphate i loko o nā keʻena hoʻoheheʻe a i ʻole nā ​​​​mea hoʻoluu. Hiki ke hoʻololi ʻia ka helu o nā ʻanuʻu i ke kaʻina hana mai 2-7, e pili ana i ka basemetal a me ke koi no ka pale. E pili ana i ka mālama ʻana i ka zinc phosphate, ʻo ke kaʻina hana hao phosphate he generalʻoi aku ka maʻalahi a me ka maʻalahi o ka hoʻokō ʻana ʻO ke kaumaha maʻamau ma waena o 0.3-1.0g/m2.

Zinc phosphate

ʻO ke kaʻina hana zinc phosphate e waiho i kahi papa mānoanoa ma mua o ka hao phosphating, a paʻa paʻa i ka mea kumu. Loaʻa i ka Zinc phosphate nā waiwai adhesion maikaʻi loa, ʻoiai i kekahi mau mea hiki ke hōʻemi i ka pono mechanical (ka maʻalahi o ka ʻōnaehana. Hāʻawi ʻo Zinc phosphate i ka pale corrosion maikaʻi loa a ua ʻōlelo ʻia no ka mālama mua ʻana i ke kila a me ke kila galvanized no ka ʻike ʻana i nā papa corrosion kiʻekiʻe. Hiki ke hoʻohana ʻia ka Zinc phosphate i loko o nā keʻena hoʻoheheʻe ʻia a i ʻole ke kau ʻana.
ʻOi aku ke kumukūʻai o Zinc phosphating ma mua o ka hao phosphating, ma muli o ke kumukūʻai kiʻekiʻe o nā mea kanu a ʻoi aku ka pipiʻi o ka hana.

ʻO Chromate

Loaʻa nā ʻōnaehana like ʻole i loko o ka hui chromate o nā lāʻau lapaʻau. ʻO ka ʻōnaehana i koho ʻia e pili ana i ke ʻano o ka metala a i ʻole ke ʻano, ke ʻano o ka mea (ʻano hana: casr, extruded etc.) a ʻoiaʻiʻo, nā koi o ka maikaʻi.
Hiki ke hoʻokaʻawale ʻia ka mālama Chromate i:

ʻO ka hope ke ala maʻamau no ka mālama mua ʻana ma mua o ka uhi ʻana i ka pauka. Hiki ke ʻokoʻa ka helu o nā ʻanuʻu i ke kaʻina hana, ma muli o ka nui o ka hoʻomākaukau ʻana o nā huahana no ka chromating, no ka laʻana ma ka pickling, neut.ralization etc. a me nā ʻanuʻu holoi holoi.