|
SERVICE
|
EFFECT
|
STANDARDS
|
Welding
steel substrate
Off Gases
|
Under
controlled conditions the
following gas concentrations
obtained from welding ZEBRON
coated steel plate
Gas Concentration Threshold
| Tested
(PPM) |
|
Limit
(PPM) |
| CO
|
10 |
50 |
| CO2
|
0.5 |
5000 |
| Mixed
NO
|
5 |
25 |
| NO2
|
0.5 |
5 |
| Phosgene
|
0 |
0.1 |
| HCN |
1 |
10 |
|
North
England Industrial Health Service Report July 1979 |
| Cathodic
Disbondment
|
1.
No effect after 6 weeks in seawater at 1200 mV. No effect after
11 weeks in seawater at 900 mV
2. No effect after 24 days with 2700 micron (106
mil) thick ZEBRON under 1022 mV in seawater at 25 deg. C.
3. No disbondment after 5 days with 150 mil ZEBRON 5VDC in 5 percent
NaCl in glycerol at 300 deg. F. Minor disbondment at side of holiday
after 22 days.
|
Netherlands
Paint
Research Council TNO |
| Ignition
and Flame Spread |
Index
of performance 3.3P. The 3.3 index means a "coating having
low flame spread characteristics" and the letter P means "not
easily ignitable".
Overall rating was Class 2 by Lloyds meaning ZEBRON coating is acceptable
for ships and offshore drilling rigs.
|
Firto,
Lloyds Registerof Shipping Certificate No. ICD/F79/223 TE3484 and
TE3485 |
