white rust


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white rust

White corrosion products (such as zinc oxide) on zinc-coated articles.
References in periodicals archive ?
First Report of White Rust of Gerbera Caused by Albugo tragopogonis in North America.
Table 1 - adhesion of Zn/Ni/Co cord to NR (refs.1-3)(*) 5 x 0.25 cord Cord Initial 4 d aged 8 d aged(**) NiZn/ZnCo 517/100 475/100 383/100 CuZn 495/100 330/50 340/25 (*) Standard test compound with cobalt decanoate (**) Aging in 90% r.h., 65 [degrees] C Table 2 - corrosion of Zn/Ni/Co-coated cords (ref.1) immersed in aerated 4 wt-% NaCl Wires White rust Red rust (min) (min) Zn 20 1,815 ZnCo 45 4,320 NiZn 1,380 1,815 NiZn/ZnCo 60 3,630 CuZn - 20 Steel wire - 90 Cords Zn 10 240 ZnCo 20 1,152 NiZn - 5 NiZn/ZnCo 1,140 1,720 CuZn - 20
IT'S white blister or white rust, a fungal disease spread in mild, damp weather.
For some time Scholetter has been providing a unique 'full blue trivalent passivate, Slotopass ZN20, with the extraordinary ability to meet 48 hours to white rust (DIN 50021--SS).
A THIS is known as white blister or white rust, a fungal disease that affects brassicas such as cabbage, broccoli and cauliflowers.
But during the last three months in the course of phytosanitary control of cut flowers imported to Russia from the EU countries 324 consignments infested with the quarantine pests like western flower thrips, white rust disease of chrysanthemum, and leafminer were detected.
Gramos therefore developed Metfin Oxoph 7, a neutral pH product that removes surface rust from steel, white rust from galvanized steel and tarnishing from brass.
But during the last three months in the course of phytosanitary control of cut flowers imported to Russia from the EU countries 324 consignments infested with the quarantine pests like western flower thrips (Frankliniella occidentalis Perg), white rust disease of chrysanthemum (Puccinia horiana Henn.), silverleaf whitefly (Bemisia tabaci) and leafminer (Liriomyza trifolii Burg) were detected.