Many thanks for the prompt and helpfull replies guys!
I've found a supplier a Birmingham (thanks Ralph at Sig BHX) for the spray: Silmid Ltd, and they can supply the cans, but only in batches of 48 though!! So if any of you want some in the future just ask ..... there's plenty for all!
Have also printed of the cert from Australian Government link - many thanks Scriv - so we're all set...............
CVT, Cape Verde, Belem. La Paz, Santiago, Cordoba, Montevideo, Salvador, Cape Verde and home over 9 days what fun!!
Regards,
Jez