Formula: Pb3O4 + PbO
- Litharge (Yellow Lead) (PbO), Lead monoxide, Massicot
Plumbous oxide
- Red Lead Oxide (Pb3O4) or Lead Ortho-plumbate
CAS No.: 1314-41-6
Apperance: Red and Yellow powder
Applicaton: Litharge, an important intermediate, is used in a variety of industries like ceramics and glass, lubricants and greases, insecticides, inorganic pigments, Lead soaps, petroleum refining, rubber and PVC. Red Lead is also used to a certain extent in the ceramics and glass, paints and pigments and explosives industries.
Standard Specification
Red Lead Standard Specification |
|
Litharge (Yellow) Standard Specification |
ATTRIBUTE |
RED Lead SETTING GRADE |
RED Lead NON-SETTING GRADE |
Colour
|
Orange Red to Brick Red
|
Brilliant Orange Red to Brick Red
|
Crystal Structure
|
Spinal Structure
|
Spinal Structure
|
Thermal Stability
|
500 ° C
|
500 ° C
|
Specific Gravity
|
9.1
|
9.1
|
Retention on 240 mesh Sieve/63 micron 15' Sieve (max %)
|
0.15
|
0.15
|
Apparent Density
|
1.3 to 1.6
|
1.2 to 1.3
|
Subsidence in Petrol / Water mi/gm
|
0.38 to 0.45
|
0.43 to 0.45
|
Water Absorption
|
80 to 100
|
100 to 110
|
Acid Absorption
|
150 to 160
|
130 to 150
|
Volatile Matter
|
0.01
|
0.003
|
Oil Absorption
|
6-7
|
6-7
|
Free Lead (% Max)
|
Traces
|
NIL
|
PbO %
|
18 to 27
|
30 to 33.1
|
PbO
|
51.6 to 77.4
|
86 to 95
|
Moisture Content (% Max)
|
0.05
|
0.05
|
Purity (% Min)
|
99.99
|
99.99
|
|
|
ATTRIBUTE |
COMPOSITION |
Colour
|
Canary Yellow with Reddish tinge
|
Crystal Structure
|
Orthombic + Tetragonal
|
Specific Gravity
|
9.5 to 9.9
|
`
|
250 ° C to 897 ° C
|
Retention on 240 mesh Sieve/63 micron 15' Sieve (max %)
|
0.1
|
Apparent Density (scott) gms/cc
|
1.8 to 2.2
|
Subsidence in Petrol / Water mi/gm
|
0.40 to 0.42
|
Water Absorption
|
90 to 100
|
Acid Absorption
|
80 to 110
|
Solubility in Water gms/litre
|
0.10
|
Oil Absorption
|
0.1
|
Insoluble matter in Acetic Acid (% Max)
|
0.08
|
Free Lead (% Max)
|
0.01 to 0.05
|
PbO (% Min)
|
99.5
|
|
 |
. |
We can also accept inquiries for other Rare earth compounds: Lanthanum, Cerium, Neodymium, Praseodymium, Samarium, Europium, Gadolinium, Dysprosium, Terbium, Holmium, Erbium, Ytterbium, Lutetium, Thulium, Scandium and Yttrium.
Upon your request we can provide more detailed information including
price, MSDS sheet, weight, packing condition and time of delivery. Please contact us and you will be replied within 24 hours. Our email:
info@redmetlitas.com