31343391iron oxidePT2026-03-30 20:32:37UF31343392Fe2O3NDUF31343393ferric oxideNDUF31343394iron oxidesNDUF31343395oxide, ferricNDUF31343396oxide, ironNDBT31319736compoundsPTRT31301960rustPTRT31301970desert varnishPTRT31343510ironPTRT31343837oxygen absorberPTRT31344732iron oxide redPT