Welding steel substrate
Off Gases    

Under controlled  conditions the following gas concentrations obtained from welding Purethane^® coated steel plate.  
Gas Concentration Threshold (PPM) :

North England Industrial Health Service Report July 1979

Gas

Tested

Limit

CO

10

50

CO2

0.5

5000

Mixed NO

5

25

NO2

0.5

5

Phosgene

0

0.1

HCN

1

10

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 Purethane^® coating is acceptable for ships and offshore drilling rigs.

FIRTO, Lloyds Register of Shipping Certificate No. ICD/F79/223 TE3484 and TE3485