This foil has a limited shelf-life and is normally made to order for delivery within 4-6 weeks. Returns will not be accepted unless we are notified within 30 days of our invoice date.

订货号	包装规格
Sizes
697-476-21	25mm x 25mm
480-048-04	50mm x 50mm

半岛bd体育手机客户端 参数

Purity[纯度]	99.0%
Temper[状态]	As Rolled
Thickness[厚度]	0.01mm
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )	31.2
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline )	40
Material condition	Polycrystalline
Poisson's ratio ( Polycrystalline )	0.312
Tensile modulus ( GPa ) ( Polycrystalline )	35.20
Tensile strength ( MPa ) ( Polycrystalline )	110.00
Yield strength ( MPa ) ( Polycrystalline )	103.0
Atomic Properties(原子属性)
Atomic number	59
Atomic weight ( amu )	140.90770
Crystal structure	Hexagonal Close Packed
Electronic structure	Xe4f?6s?
Ionisation potential ( No./eV )	1 / 5.42
Ionisation potential ( No./eV )	2 / 10.55
Ionisation potential ( No./eV )	4 / 38.95
Ionisation potential ( No./eV )	5 / 57.45
Ionisation potential ( No./eV )	3 / 21.62
Thermal neutron absorption cross-section ( Barns )	11.5000
Valences shown	3 ,4
Physical Properties(物理性质)
Boiling point ( C )	3512
Density ( g cm?? )	6.782 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	4.800 @0-100
Latent heat of evaporation ( J g?? )	2343
Latent heat of fusion ( J g?? )	80.00
Melting point ( C )	931.00
Specific heat ( J K?? kg?? )	192.0 @25℃
Thermal conductivity ( W m?? K?? )	12.50 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	68@20℃
Temperature coefficient ( K?? )	0.00171 @0-100℃

其他参数

公差

长度	<100mm	±1mm
	≥100mm	+2% / -1%
直径	<100mm	±1mm
	≥100mm	+2% / -1%
厚度	<0.01mm	±25%
	≤0.05mm	±15%
	>0.05mm	±10%
长度 1	<100mm	±1mm
	≥100mm	+2% / -1%
长度 2	<100mm	±1mm
	≥100mm	+2% / -1%

易燃

与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。