Appearance: Dark gray to black solid with metallic luster
Crystal structure: Atomic crystal, Mohs hardness 9.3 (second only to diamond)
Density: 2.34 g/cm³
Melting point: 2076 °C
Boiling point: 3927 °C
Electrical conductivity: Significantly increases at 500 °C, exhibiting semiconductor properties
Chemical stability: Does not react with oxygen or dilute acids at room temperature, but reacts vigorously with halogens and strong oxidizing agents
Inner packaging: Polyethylene (PE) bottle or double-layer antistatic polyethylene bags, vacuum sealed
Outer packaging: Carton box or iron drum with foam cushioning for shock protection
Standard package sizes: 1 kg/bottle, 5 kg/drum, 25 kg/drum (customization available upon request)
Handling notes: Packaging should be kept sealed, moisture-proof, and protected from mechanical impact. Avoid contact with strong oxidizing agents.
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