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Black Iron Oxide Pigment is a dry colored powder used to color concrete, mortar, stucco, plaster and tint topically. It is odorless, alkali & weather resistant, UV stable, non- hazardous, chemically inert, water soluble and provides consistent color when thoroughly blended. Dose dry pigment by weight into your project. Between .25% up to a maximum of 10% of your cement weight is recommended.Cement weight is calculated by adding up your Portland + Pozzolan + any reactive material in mix by weight.
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