Red Lead Paint Color

Chemically red lead is fairly active.

Red lead paint color.

The pigment is bright red has good hiding power and excellent texture. It is also called red lead. Lead paint was banned by most countries but some homes built before the ban still have dangerous lead paint. Red oxide or minium is the tetraoxide of lead formula pb o.

Not commonly occurring in nature lead tetraoxide can be prepared by a number of simple reactions one example being the oxidation of the commonly occurring pb oxide litharge. Minium which is red lead or lead tetroxide is an oxidation product of lead. For use on wood fiberglass or steel. It is finely divided but may be either crystalline or amorphous depending upon how it is made.

As pigment lead ii chromate pb cr o 4 chrome yellow lead ii iv oxide pb 3 o 4 red lead and lead ii carbonate pb c o 3 white lead are the most common forms. Lead is added to paint to accelerate drying increase durability maintain a fresh appearance and resist moisture that causes corrosion. Red lead is now made by heating litharge or white lead for some hours at a temperature of about 480 c. Nothing but red lead pigment and resin.

6 pbo o. Other harmful colors include fluorescent radium green arsenic green and uranium orange. Minium red lead is a deep orange red color. Red lead was a product of smelting lead ore since antiquity although in medieval times it was prepared by heating lead white basic lead carbonate in air.