5 Test gas composition
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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.288(87) – Performance Standard for Protective Coatings for Cargo Oil Tanks of Crude Oil Tankers – (Adopted on 14 May 2010) - Annex – Performance Standard for Protective Coatings for Cargo Oil Tanks of Crude Oil Tankers - Annex 1 – Test Procedures for Coating Qualification for Cargo Oil Tanks of Crude Oil Tankers - 5 Test gas composition

5 Test gas composition

 The test gas is based on the composition of the vapour phase in crude oil tanks, except that the hydrocarbon components are not included as these have no detrimental effect on epoxy coatings such as those used in cargo oil tanks.

    TEST GAS COMPOSITION
  N2 83 ± 2 per cent by volume of dry gas
  CO2 13 ± 2 per cent by volume of dry gas
  O2 4 ± 1 per cent by volume of dry gas
  SO2 300 ± 20 ppm
  H2S 200 ± 20 ppm
Parent topic: Annex 1 – Test Procedures for Coating Qualification for Cargo Oil Tanks of Crude Oil Tankers
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