发明名称 |
Агент дл травлени , содержащий мочевину, и способ его получени |
摘要 |
A long-time stable pickling agent for the removal of an oxide layer on a stainless steel after heat treatment, such as welding, which pickling agent comprises nitric acid and fillers and constitutes of a pickling paste or pickling gel to be coated on the heat treated stainless steel, or of a pickling liquid to be sprayed on the steel. According to the invention, the pickling agent also comprises urea for reduced formation of nitrous fumes when the pickling agent is used. |
申请公布号 |
RU2002116231(A) |
申请公布日期 |
2004.02.27 |
申请号 |
RU20020116231 |
申请日期 |
2001.01.12 |
申请人 |
АвестаПоларит Актиеболаг (публ) (SE) |
发明人 |
ЛУННЕР Свен-Эрик (SE);ХЕГГ Фредрик (SE) |
分类号 |
C23F1/28;C23G1/02;C23G1/08 |
主分类号 |
C23F1/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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