
A na-agafe gaskets zinc nwere agba na-adabere na electrogalvanizing iji mepụta ihe nkiri passivation nwere agba nke egwurugwu (nwere chromium trivalent ma ọ bụ hexavalent chromium) nke nwere ọkpụrụkpụ ihe nkiri nke ihe dịka 0.5-1μm. Ọrụ mgbochi corrosion ya dị mma karịa electrogalvanizing nkịtị, na agba elu na-enwu gbaa, yana arụmọrụ yana ịchọ mma.
A na-agafe gaskets zinc nwere agba na-adabere na electrogalvanizing iji mepụta ihe nkiri passivation nwere agba nke egwurugwu (nwere chromium trivalent ma ọ bụ hexavalent chromium) nke nwere ọkpụrụkpụ ihe nkiri nke ihe dịka 0.5-1μm. Ọrụ mgbochi corrosion ya dị mma karịa electrogalvanizing nkịtị, na agba elu na-enwu gbaa, yana arụmọrụ yana ịchọ mma.
Ihe: Q235 carbon ígwè, Q345 alloy ígwè, mkpụrụ ike HV150-250.
Atụmatụ:
Mgbochi corrosion dị elu: Enweghị nchara ọcha na nnwale ịgba nnu nnu na-anọpụ iche maka awa 72-120, dabara adaba maka mpụga ma ọ bụ gburugburu iru mmiri;
Ikike imezi onwe ya: Mgbe emechara ihe nkiri passivation, akụkụ chromium hexavalent nwere ike rụkwaa ebe mebiri emebi ozugbo;
Nchọpụta agba: Enwere ike iji agba agba egwurugwu mee ka ọdịiche dị iche iche ọkwa ma ọ bụ batches (dị ka ụlọ ọrụ ike).
Ọrụ:
Na-eguzogide corrosion dị ka nnu nnu na mmiri ozuzo acid ruo ogologo oge, na ndụ ọrụ 3-5 ugboro nke zinc electroplating nkịtị;
Enwekwukwa ihe ngosi anya, nhazi ngwa ngwa na njikwa ngwa ngwa.
Ọnọdụ:
Akụrụngwa ọkụ dị n'èzí (dị ka bolts ụlọ elu), injin mmiri (njikọ ụgbọ mmiri), igwe kemịkalụ (flange tank).
Nwụnye:
A ghaghị iji ihe mgbawa ike mee ihe iji hụ na ebubata ya n'otu iji gbochie ihe nkiri passivation ka ọ dapụ n'ihi oke extrusion;
Amachibidoro kọntaktị ozugbo na ọla ndị na-arụ ọrụ dị ka aluminom na magnesium iji gbochie corrosion galvanic.
Nlekọta:
Zere iji ihe nhicha acidic, a na-atụ aro ka ihichapụ ya na ihe mgbaze na-anọpụ iche;
gaskets chromium passivation hexavalent ga-agbaso ụkpụrụ gburugburu ebe obibi (dịka ụkpụrụ EU REACH), na gaskets na-enweghị chromium dabara adaba maka ụlọ ọrụ nri na ọgwụ.
Maka ihe ndapụta nwere oke mkpa gburugburu ebe obibi, họrọ passivation chromium trivalent ma ọ bụ usoro ngafe na-enweghị chromium;
Jiri acha zinc gaskets na ịkpachara anya na elu okpomọkụ gburugburu (>100 ℃), dị ka passivation film nwere ike decompose na-ada.
| Ụdị | Akpa galvanized eletrọnịkị | gasket galvanized agba | gasket gbara oji dị elu |
| Uru isi | Ọnụ ala dị ala, ike ntụgharị | Nnukwu nguzogide corrosion, njirimara agba | Ike dị elu, oke okpomọkụ na-eguzogide |
| Nnwale ịgba nnu | 24-72 awa na-enweghị ọcha ajari | 72-120 awa na-enweghị ọcha ajari | awa 48 na-enweghị nchara uhie |
| Ọnọdụ okpomọkụ dị | -20 ℃ ~ 80 ℃ | -20 ℃ ~ 100 ℃ | -40 ℃ ~ 200 ℃ |
| Ihe ndapụta a na-ahụkarị | Igwe nkịtị, gburugburu ime ụlọ | Akụrụngwa dị n'èzí, ebe iru mmiri | Injin, akụrụngwa ịma jijiji |
| Nchekwa gburugburu ebe obibi | Usoro enweghị Cyanide na-akwado RoHS | Chromium hexavalent ga-agbasorịrị REACH, chromium trivalent bụ enyi na gburugburu ebe obibi | Ọ dịghị arọ metal mmetọ |
Mkpa akụ na ụba: Electroprated galvanized gaskets, dabara maka ọnọdụ ụlọ ọrụ nkịtị;
Mpaghara corrosion dị elu: Acha galvanized gaskets, na-ebute ụzọ maka passivation na-enweghị chromium;
Ọnọdụ dị elu/oke okpomọkụ: gaskets gbara ojii dị elu, ọkwa ike bolt dabara (dị ka 42CrMo maka bolts 10.9 grade bolts gasket).