Imports In 2018, Eritrea imported $18.6k 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 Eritrea. Eritrea imports Hydraulic cements except portland or aluminous primarily from: N/A.