zaparzanie blachy

15:48 Aug 5, 2018
Polish to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / Blachy dachowe ocynkowane
Polish term or phrase: zaparzanie blachy
Proszę o pomoc w tłumaczeniu terminu "zaparzanie/zaparzenie/sparzenie blachy". Tekst dotyczy instalacji/konserwacji/składowania blach do pokryć dachowych.

Termin występuje w zdaniach:
- "Należy zatem składować Produkt w pomieszczeniach suchych i przewiewnych, izolując ją od agresywnie reagujących materiałów, bez narażania blachy na bezpośrednie działanie słońca i wody (możliwość wystąpienia zaparzenia blachy)".
- "Wystąpienie uszkodzeń powierzchni blach w wyniku zaparzenia oraz uszkodzeń mechanicznych spowoduje oddalenie ewentualnych reklamacji".

Białe plamy powstają w wyniku reakcji, która zachodzi w przypadku składowania arkuszy bez przekładek dystansowych w wilgotnym środowisku.

Przykład: "White rust forms on unpassivated galvanized surfaces, particularly where they are touching face to face and wet. Its sometimes called "wet storage stain". Its mainly zinc carbonate, and it a white powdery deposit.

Czy zatem "wet storage stain" będzie odpowiednie do tłumaczenia "zaparzenia blachy"?

Z góry dziękuję za podpowiedzi.
Local time: 15:20

Summary of answers provided
3 +1sheet steel wet storage stain//white rust or corrosion of sheet steel
Frank Szmulowicz, Ph. D.

Discussion entries: 1



21 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
sheet steel wet storage stain//white rust or corrosion of sheet steel

One surface condition is known as wet storage stain (commonly referred
to as white rust), which can occur after galvanizing.

What is Wet Storage Stain?
Wet storage stain (Figure 1) is a white or gray powdery
deposit that can develop on newly galvanized articles.
It may be found on nested or stacked products where
moisture gets trapped between the articles restricting
adequate airflow to the zinc surfaces, or when galvanized
steel is exposed to rain, dew, or high humidity
conditions. Wet storage stain is the visible formation
of zinc oxide and zinc hydroxide on the surface of the
galvanized steel.

Wet storage stain, more commonly known as white rust or white corrosion, is a type of zinc corrosion. It is called wet storage stain because it occurs when a fresh zinc surface is stored in a wet environment with limited oxygen and carbon dioxide sources; the restriction in air is usually due to the items being stacked on one another or otherwise stored in close quarters. This type of corrosion does not usually occur to zinc surfaces that have had time to form their normal layers of corrosion protection.

Frank Szmulowicz, Ph. D.
United States
Local time: 09:20
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 983

Peer comments on this answer (and responses from the answerer)
agree  Joanna Rączka
4 days
  -> Thank you, Joanna. We missed you and your expertise terribly here.
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