ETHYLN OXIDE INDICATOR TAPE: THIS IS A TAPE WHICH WILL CHANGE COLOUR FROM GREEN TO DEEP RED IN THE PRESENCE OF ETHYLN OXIDE (EO) GAS. EO IS USED FOR PRODUCT STERILISATION, SO THE ETHYLN OXIDE INDICATOR TAPE IS USED AS AN INDICATOR FOR THE COMPLETION OF PRODUCT STERILISATION PROCESS STEP

GENERAL INTERPRETATIVE RULES 1 AND 6 TEXT TO CODES 3822 AND 3822 00 00 00 HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 3822 STATE LABORATORY ADVICE R17A0226