Dhismaha dhismaha ama dib-u-cusboonaynta baaxadda leh, baalal-midab leh ayaa la isticmaali karaa, haddaba waa maxay muraayad-midab leh? Sababta ugu weyn ee muraayadaha midabada leh loo isticmaalo nolosheena ayaa ah in muraayadaha midabka midabka leh ay leeyihiin caabbinta daxalka wanaagsan, way fududahay in la farsameeyo oo dib loo habeeyo, waana ka fudud yihiin alaabta kale. Sidaa darteed, muraayadaha midabka midabka leh ayaa loo isticmaali doonaa dhismaha. Haddaba maxaad ka taqaanaa kala soocida looxyada midabada leh? Kuwa soo socda ayaa ku bari doona:
1. saxan bir ah oo midabaysan oo loogu talagalay substrate qabow-duuban
Saxan midab leh oo ay soo saarto substrate-qabow-qabow ayaa leh muuqaal siman oo qurux badan, waxayna leedahay waxqabadka farsamaynta saxan qabow-duuban; laakiin xagashada yaryar ee daahan dusha sare ah ayaa hawada u soo bandhigi doonta substrate-ka qabow, si ay birta si dhakhso ah u soo baxdo miridh cas ayaa u samaysma. Sidaa darteed, alaabtan waxaa loo isticmaali karaa oo keliya tillaabooyinka go'doominta ku-meel-gaarka ah iyo alaabta gudaha ee aan dalbanayn.
2. xaashi bir ah oo dahaarka leh oo kulul
Badeecada lagu helay rinjiga dabiiciga ah ee xaashida kulul ee galvanized xaashida kulul waa xaashi midab leh oo midab leh. Marka lagu daro saamaynta ilaalinta zinc, xaashida kulul ee galvanized galvanized-midabka leh ayaa sidoo kale leh dahaarka organic ee dusha sare si ay u daboolaan oo ay u ilaaliyaan ugana hortagaan miridhku, iyo nolosheeda adeeggu way ka dheer tahay tan xaashida kulul ee galvanized. Maadada zinc ee substrate galvanized-ku-kululku waa guud ahaan 180g/m2 (laba-geesood), iyo waxa ugu badan ee zinc-ku ka kooban yahay substrate galvanized-kuleelka ah ee dhismaha bannaanka waa 275g/m2.
3. Kulul-kulul aluminium-zinc xaashi midab-dahaar leh
Marka loo eego shuruudaha, xaashiyaha birta ah ee aluminium-zinc-kuleylka ah ayaa sidoo kale loo isticmaali karaa sida substrates-dahaarka leh (55% AI-Zn iyo 5% AI-Zn). ...
4. Xaashiyaha midabka leh ee korantada-galvanized
Xaashida elektro-galvanized waxaa loo isticmaalaa sidii substrate-ka, iyo badeecada lagu helay dahaadhka rinjiga organic iyo dubista waa xaashi midab-dahaar leh oo korantada-galvanized ah. Sababtoo ah lakabka zinc ee xaashida electro-galvanized waa dhuuban, maadada zinc badanaa waa 20/20g/m2, markaa alaabtani kuma haboona isticmaalka Samee darbiyada, saqafyada, iwm. Laakiin sababta oo ah muuqaalkeeda quruxda badan iyo waxqabadka habaynta aadka u fiican, waxaa inta badan loo isticmaali karaa qalabka guriga, maqalka, alaabta guriga, qurxinta gudaha, iwm.
Waqtiga boostada: Dec-20-2021