PA 有光泽的金属_产品资讯

PA工程塑料用途：广泛应用于机械、仪器仪表、汽车部件、电子电气、铁路、家电、通讯、纺机、体育休闲用品、油管、油箱及一些精密工程制品.

物性表：

Physical Properties	Metric	English	Comments

Density	15.43 g/cc	0.5574 lb/in³

Chemical Properties	Metric	English	Comments
Atomic Mass	231.0359	231.0359	231.03588 - 1995
Atomic Number	91	91
X-ray Absorption Edge	0.11028 Å	0.11028 Å	K
	0.58748 Å	0.58748 Å	L_I
	0.61064 Å	0.61064 Å	L_II
	0.74138 Å	0.74138 Å	L_III
Electronegativity	1.5	1.5	Pauling
Ionic Radius	0.890 Å	0.890 Å	Crystal Ionic Radius for Valence +5
	0.980 Å	0.980 Å	Crystal Ionic Radius for Valence +4
	1.13 Å	1.13 Å	Crystal Ionic Radius for Valence +3

Mechanical Properties	Metric	English	Comments
Bulk Modulus	157 GPa	22800 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000150 ohm-cm	0.0000150 ohm-cm
Magnetic Susceptibility	190	190	emu/mol
Critical Superconducting Temperature	1.40 K	1.40 K

Thermal Properties	Metric	English	Comments
Heat of Fusion	12.3 J/g	5.29 BTU/lb
CTE, linear	9.90 µm/m-°C @Temperature 30.0 - 700 °C	5.50 µin/in-°F @Temperature 86.0 - 1290 °F
Specific Heat Capacity	0.09912 J/g-°C	0.02369 BTU/lb-°F	Gas
Thermal Conductivity	47.0 W/m-K	326 BTU-in/hr-ft²-°F
Melting Point	1552 - 1592 °C	2826 - 2898 °F
Heat of Formation	0.000 kJ/mol	0.000 kJ/mol	Crystal
	607 kJ/mol	607 kJ/mol	Gas

Component Elements Properties	Metric	English	Comments
Protactinium, Pa	100 %	100 %

Descriptive Properties
CAS Number	7440-73-3

图：

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