订货号	包装规格
900-251-29	25 mm x 25 mm
067-766-91	50 mm x 50 mm
735-238-42	100 mm x 100 mm
742-597-93	150 mm x 150 mm
063-454-79	300 mm x 300 mm
Coil
603-799-82	0.5 m
244-925-95	1 m
433-216-10	2 m

半岛bd体育手机客户端 参数

Coil Width[卷材宽度]	300mm
Purity[纯度]	99.5%
Temper[状态]	As Rolled
Thickness[厚度]	1mm
Typical Analysis(典型分析)
Ag	20 PPM
Bi	80 PPM
Cu	50 PPM
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?1 )	29.000 @0-100℃
Latent heat of evaporation ( J g?1 )	862
Latent heat of fusion ( J g?1 )	23.20
Melting point ( C )	327.50
Specific heat ( J K?1 kg?1 )	159.0 @25℃
Thermal conductivity ( W m?1 K?1 )	35.30 @0-100℃
Atomic Properties(原子属性)
Atomic number	82
Atomic weight ( amu )	207.20000
Crystal structure	Face Centred Cubic
Electronic structure	Xe4f1?5d1?6s26p2
Ionisation potential ( No./eV )	5 / 68.8
Ionisation potential ( No./eV )	3 / 31.9
Ionisation potential ( No./eV )	4 / 42.3
Ionisation potential ( No./eV )	2 / 15.03
Ionisation potential ( No./eV )	1 / 7.42
Natural isotope distribution ( Mass No./% )	207 / 22.1
Natural isotope distribution ( Mass No./% )	208 / 52.4
Natural isotope distribution ( Mass No./% )	206 / 24.1
Natural isotope distribution ( Mass No./% )	204 / 1.4
Photo-electric work function ( eV )	4.00
Thermal neutron absorption cross-section ( Barns )	0.1800
Valences shown	2 , 4
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	20.6@20℃
Superconductivity critical temperature ( K )	7.1960
Temperature coefficient ( K?1 )	0.00420 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )	0.44
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )	45.8
Bulk modulus ( GPa ) ( Sand cast )	45.8
Hardness - Mohs ( Sand cast )	1.50
Material condition	Polycrystalline
Material condition	Sand Cast
Poisson's ratio ( Polycrystalline )	0.440
Poisson's ratio ( Sand cast )	0.440
Tensile modulus ( GPa ) ( Polycrystalline )	16.10
Tensile modulus ( GPa ) ( Sand cast )	16.10
Tensile strength ( MPa ) ( Sand cast )	12.00
Yield strength ( MPa ) ( Sand cast )	5.5
Physical Properties(物理性质)
Boiling point ( C )	1740
Density ( g cm?3 )	11.350 @20

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%

人体健康

吸入、摄入或通过皮肤吸收后可能造成死亡或对健康造成急性或慢性损害的化学品。