Premier Periclase is located by the River Boyne, in Drogheda, Ireland, approximately 45 kilometres north of the capital city Dublin. Since its formation in 1980, the company has produced highest quality magnesia products and it’s unique large crystal sintermagnesia product range is renowned throughout the world. We also produce a range of Magnesium Oxide (MgO) products and Magnesium Hydroxide (Mg(OH)2) suspensions.