REFSAN LEAD OXIDE (MINIUM)
REFSAN LEAD OXIDE (MINIUM)
RAW MATERIALS AND OXIDES

REFSAN LEAD OXIDE (MINIUM) (60217)

Brand : REFSAN
Price : 12,48TL
ÇOKALAZÖDE BOYA

LEAD OXIDE (MINIUM - Pb3O4)

Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula Pb3O4.  A bright red or orange solid, it is used as a pigment, in the manufacture of batteries, and rustproof primer paints. It is an example of a mixed-valence compound, being composed of both Pb(II) and Pb(IV) in the ratio of two to one.

Red lead has been used as a pigment for primer paints for iron objects. Due to its toxicity, its use is being limited. It finds limited use in some amateur pyrotechnics as a delay charge and was used in the past in the manufacture of dragon's egg pyrotechnic stars.

Together with ZnO, PbO is considered one of the Metallic oxide fluxes.

-Reacts easily with silica to form low melting lead silicates of high gloss and deep character. Lead is very easy to use. It is the heaviest oxide and produces incredible colors and surface characteristics. Lead also has 'blemish healing' and flow characteristics that are unmatched. Lead glazes tend to have high resistance to chipping. In addition, lead is a 'forgiving material' that tends to hide imperfections on the finished fired surface. Lead glazes have been demanded fine China for many years, although substitutes have been developed.

When inhaled, lead(II,IV) oxide irritates the lungs. In the case of a high dose, the victim experiences a metallic taste, chest pain, and abdominal pain. When ingested, it is dissolved in the gastric acid and absorbed, leading to lead poisoning. High concentrations can be absorbed through the skin as well, and it is important to follow safety precautions when working with lead-based paint.