vitro porcelain

Is Vitro Porcelain Oven Safe? Iittala uses vitro porcelain, which is a modern, durable porcelain with a slightly off-white shade. All Iittala china is oven, microwave and freezer safe. Is porcelain or bone china better? High quality fine bone china contains at least 30% bone ash, enabling thin, walled pieces to be made with a