Imports In 2020, British Indian Ocean Territory imported $94 in Hydraulic cements except portland or aluminous, becoming the 0th largest importer of Hydraulic cements except portland or aluminous in the world. At the same year, Hydraulic cements except portland or aluminous was the 0th most imported product in British Indian Ocean Territory. British Indian Ocean Territory imports Hydraulic cements except portland or aluminous primarily from: N/A.