●?? Concrete Dye Powder Characteristics: Our concrete color pigment is waterproof, sunscreen, alkali resistance, acid resistance, easy to color, super hiding power. ●?? 5 UNIQUE COLORS : 5 colors (Blue Iron Oxide | Purple Iron Oxide | Yellow Iron Oxide | Red Iron Oxide | Green Iron Oxide ). Each bottle of cement pigment comes in a resealable jar. Each color net weight is about 4oz/113g. ●?? Concrete Color Powder Instructions for use: When the cement is in powder form, there is no mortar to mix. At this point, you can add pigment powder as follows: 1. Calculate the amount of pigment powder to be added according to the pigment powder: cement = 1:25; 2. Wear gloves and a mask; 3. Pour the pigment powder into the cement. 4. Evenly mix cement and pigment powder. 5. Mix cement and pigment powder with mortar. ●?? Iron Oxide Powder Attention method: Ordinary gray cement: 1 pack of 10 lbs gray cement, add 0.3 to 1 lbs of iron oxide powder pigment, and add 10 lbs of sand; White cement: 1 pack of 10 lbs white cement, add 0.3 to 1 lbs of iron oxide powder pigment, and add 10 lbs of sand. ●?? Make sure to mix iron oxide pigment with dry cement powder first, and then add water to stir! ●?? The mixing ratios of this iron oxide pigment is 3~10%. If you are going to color 10 pounds of concrete dye, we recommend adding about 0.3 ~ 1 pounds of iron oxide pigment powder; If you are going to color 50 pounds of concrete dye, we recommend to add about 1.5 ~ 5 pounds of iron oxide pigment powder...And so on.....(If still dont understand the mixing ratios of this pigment cement, please contact us.We will serve you wholeheartedly.Thanks ).