lead powder Pb powder CAS 7439-92-1 EINECS 231-100-4
Product Name: Lead Powder.
Appearance: Grey black powder.
Purity: Lead>=99.9%.
Particle size: 200~1000 mesh (customized production can be provided according to customers’ requirements).
CAS number: 7439-92-1.
EINECS number: 231-100-4.
Chemical formula: Pb
Atomic weight: 207.2.
Characteristics: Lead forms a dense lead oxide film on its surface in air, a lead carbonate film in humid air containing carbon dioxide, and a lead sulfate film in sulfuric acid, all of which provide excellent protection. Therefore, lead has excellent corrosion resistance in many media, especially in sulfuric acid.
Application:
1. Used in industries such as metal ceramics, chemical products, low melting point alloy products, and organic synthesis.
2. Used as friction material, electrode material, sealing material, plastic additive, etc.
3. Used for cables, batteries, lead smelting, scrap copper smelting, printing, soldering, etc.
4. Used for compound semiconductors, refrigeration components, infrared photoelectric conversion devices, high-efficiency temperature difference components, solder, analytical reagents, reducing agents, etc.
5. Used for manufacturing compound semiconductors, infrared optoelectronic conversion devices, temperature difference elements, etc.
6. Used for preparing batteries, fuses, lead plates, lining of metallurgical and chemical equipment, and protective layers for X-rays.