Cadmium
High-Performance Coatings & Battery Solutions
Cadmium is a soft, silvery-white metal used in rechargeable batteries, pigments, and metal coatings, but its high toxicity poses significant health and environmental risks, primarily affecting the kidneys, skeleton, and respiratory system. Human exposure occurs mainly through smoking, contaminated food, or occupational inhalation.
Product Overview
What is Cadmium?
Cadmium (Cd , atomic number 48) is a soft, silvery-white, and highly toxic heavy metal used in industrial applications such as rechargeable batteries, pigments, and protective coatings. It poses significant health and environmental risks due to its persistence and accumulation in living organisms.
Key Information about Cadmium
- Physical and Chemical Properties: Cadmium is a ductile and malleable metal that resists corrosion and has a low melting point. It is chemically similar to zinc and mercury and predominantly exhibits a + 2 oxidation state. In powdered form, it may be flammable and release toxic fumes.
- Natural Occurrence: Cadmium is found in small amounts in the Earth's crust, typically as an impurity in zinc, lead, and copper ores. The primary mineral containing significant cadmium is greenockite (CdS), which is usually associated with sphalerite (ZnS).
- Production: Almost all commercial cadmium is a byproduct of refining zinc ores. It is also recovered through the recycling of nickel-cadmium (Ni-Cd) batteries and scrap metal.
Quick Specifications
Available Forms
Cadmium Ingots
Soft, silvery ingots for
specialized manufacturing
Cadmium Ingots
PremiumCast refined blocks of cadmium metal from concentrated ores.
Cadmium Sticks
Cylindrical cadmium sticks for
precise industrial use
Cadmium Sticks
High-PurityUniformly cast cylindrical rods of high-purity cadmium metal.
Key Applications
Aerospace Electroplating
Critical aircraft components, satellite hardware, and defense systems requiring exceptional corrosion resistance in extreme environments.
High-Performance NiCd Batteries
Emergency backup systems, aircraft power supplies, and space applications demanding reliable performance in extreme temperatures.
Marine Corrosion Control
Offshore drilling equipment, submarine components, and marine fasteners requiring superior saltwater corrosion resistance.
Specialized Alloys
Alloying element for specialized applications requiring specific mechanical and electrical properties.
Pigments & Coatings
Specialized pigments and protective coatings for industrial and artistic applications.
Key Advantages
Superior Corrosion Resistance
Exceptional protection against corrosion in marine and industrial environments, extending component life significantly.
Excellent Electrical Properties
Outstanding electrical conductivity and low contact resistance for electrical and electronic applications.
Easy Processing
Excellent electroplating characteristics with uniform deposition and superior adhesion to substrates.
Technical Specifications
| Property | Value | Unit | Standard | Applications |
|---|---|---|---|---|
| Purity | 99.95-99.99 | % | ASTM B440 | Electroplating, batteries |
| Melting Point | 321 | °C | - | Processing reference |
| Density | 8.65 | g/cm³ | - | Design calculations |
| Electrical Resistivity | 7.5 | μΩ·cm | - | Electrical applications |
| Thermal Conductivity | 96.6 | W/m·K | - | Heat transfer |
| Hardness | 20 | HB | ASTM E10 | Mechanical properties |
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