Black IRON OXIDE POWDER ~ HIGH GRADE PIGMENT Black iron oxide is a common colourant in ceramics. It is a soft and very fine powder made by grinding ore material or heat processing ferrous/ferric sulphate or ferric hydroxide. During firing the iron decomposes and produces similar colours in glazes and clay bodies.Black iron oxide can also be used to colour cement and concrete. Notes on use of Black Iron OxideThough not considered toxic, this product is a strong pigment in powder form and as such:Avoid contact with skin if possibleWash hands after useAvoid the generation of dustKeep away from food / drink and do not eat or drink when using the materialUse good workshop hygiene practicesShipping All item will be shipped directly from Sri Lanka. Registered Post Item delivered will required signatures at the time of receiving.Dispatched items tracking number will be updated within 24 hrs. Of the dispatch.All items ordered will be dispatched within 48 hour after receiving the clear payment.All items require 15 to 30 business days to arrive at the given address.Please do not order if you are not willing to wait for above given time.All our items will be shipped worldwide, In any case the item is been stuck to the buyers custom department the buyer has to pay the custom charges for the receiving of the item. If you need express delivery we can arrange by DHL, Aramex, Fedex & UPS delivery time period 3-5 working days for more details please contact us through eCRATER message.