2022-3-3 11:49| 發(fā)布者: steelfu4mo| 查看: 1413| 評(píng)論: 0 |原作者: 佛山萬慶物資
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管道保溫防腐彩涂板科學(xué)選材標(biāo)準(zhǔn)：由于彩涂板不僅具有優(yōu)良的抗氧化、抗腐蝕等特性，而且顏色更加豐富多彩，傳統(tǒng)的鍍鋅板管道防腐已逐漸被彩鋼板所取代。隨著各鋼企對(duì)環(huán)保的投入和治理，排放在大氣中的腐蝕性氣體減少很多，只有少量的腐蝕性物質(zhì)，部分鋼廠在選材的時(shí)候只關(guān)注了正面選材，卻忽視了背面選材，通常以常規(guī)2/2涂層為主（20/12um ），其實(shí)更多的鋼廠廠區(qū)內(nèi)部環(huán)境（特別是煉鐵、煉鋼）遠(yuǎn)差于外部環(huán)境，同時(shí)，因是單板，加上高溫、高濕，容易結(jié)露形成電位差，加快腐蝕介質(zhì)進(jìn)入涂層與鋼板發(fā)生反應(yīng)，涂層頂起形成漆膜脫落，加速腐蝕，所以我們見到更多的是從廠區(qū)內(nèi)部向外部進(jìn)行腐蝕?？蛇x用PVDF氟碳彩鋼板和HDP高耐候彩鋼板，也可選用高膜厚粉末彩涂板。
Pipeline insulation and anti-corrosion color coating plate scientific material selection standards: because the color coating plate not only has excellent antioxidant, corrosion resistance and other characteristics, but also more colorful color, the traditional galvanized plate pipeline anticorrosion has been gradually replaced by the color steel plate.With the investment and governance of various steel enterprises in environmental protection, The corrosive gas emitted in the atmosphere is much reduced, Only a small amount of corrosive material, Some steel mills only pay attention to the positive material selection when choosing the material selection, But ignore the back of the material selection, Usually with a conventional 2 / 2 coating (20 / 12um), In fact, more of the internal environment of steel mills (especially iron making, steelmaking) is far worse than the external environment, at the same time, Because it is a veneer, Plus high temperature, high humidity, Easy to form potential difference, Accelerate the entry of the corrosion medium into the coating and react with the steel plate, The coating roof off the paint film, accelerated corrosion, So we see more corrosion from the inside to the outside of the factory.Choose PVDF fluorocarbon color steel plate and HDP high weather resistance color steel plate, or can choose high film thick powder color coating plate.