Cadmium Substitution - garteur
Cadmium Substitution - garteur
Cadmium Substitution - garteur
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GARTEUR LIMITED<br />
Coating<br />
Exposure Site<br />
DERA Schiphol<br />
<strong>Cadmium</strong> not passivated >536 >462<br />
passivated >536 >462<br />
ED Zinc-nickel not passivated 385 213<br />
passivated >536 >462<br />
ED Zinc-cobaltiron<br />
not passivated >659 >462<br />
passivated >659 >462<br />
IVD Aluminium not passivated 284<br />
passivated 455<br />
ED Aluminium not passivated 85<br />
passivated 62<br />
UMS Aluminium not passivated 300<br />
- magnesium<br />
Delta-tone >536 >462<br />
SermeTel 984 >659 >462<br />
SermeTel 984 / 985 >659 >462<br />
Table C5; Outdoor exposure trials on non-scribed panels -<br />
Time to red rust (days)<br />
Coating<br />
DERA NLR NLR B Ae<br />
600mmol l -1 100mmol l -1 100mmol l -1 514mmol l -1<br />
NaCl<br />
NaCl pH 2<br />
NaCl<br />
NaCl<br />
pass pass pass pass<br />
ED <strong>Cadmium</strong> 45 1 78 60 63 24 25-50 0.33-<br />
2.1<br />
ED Zinc-nickel 63 0.5 97-187 41-232 4-14 1-2 0.4-50 15<br />
ED Zinc-cobalt-iron 89 0.6 233-<br />
477<br />
4 0.2 14-22 0.04-<br />
013<br />
PVD Aluminium 2 0.3<br />
ED Aluminium 0.003 0.006<br />
UBMS Al-Mg 0.01 1.3<br />
Delta-tone 60 -<br />
SermeTel 984 0.3 20 0.5 0.17<br />
SermeTel 984/985 0.8 9.2 0.4 1.12<br />
Table C6; Corrosion current (μA/cm 2 ) derived from polarisation measurements<br />
GARTEUR SM/AG17 TP128 Page 65
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