Rare Earth Product Information
& Standard Specifications
product details
Terbium Metal
Terbium Metal

Terbium Metal is the important additive for NdFeB permanent magnets to raise the Curie temperature and improve temperature coefficiency. Another most promising use of distilled Terbium Metal, code 6563D, is in the magnetostrictive alloy TEFENOL-D. There are also other applications for some special master alloys.

Terbium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder, please visit Rare Earth Metals & Sputtering Targets page for more detailed information.

Formula Tb
CAS No. 7440-27-9
Molecular Weight 158.93
Appearance Silvery
Stability Stable in air
Ductibility Medium
GermanTerbium Metall FrenchMetal De Terbium SpanishMetal Del Terbio
Standard Specifications
Product Code 6563D 6563 6565 6567
Grade 99.99%  99.99% 99.9% 99%
CHEMICAL COMPOSITION   กก กก กก
Tb/TREM (% min.) 99.99 99.99 99.9 99
TREM (% min.) 99.9 99.5 99 99
Rare Earth Impurities ( in TREM, % max.)
Eu
Gd
Dy
Ho
Er
Tm
Yb
Lu
Y 		0.001
0.002
0.003
0.001
0.001
0.001
0.001
0.001
0.001		 0.001
0.002
0.003
0.001
0.001
0.001
0.001
0.001
0.001		 0.001
0.002
0.05
0.01
0.005
0.001
0.001
0.001
0.003		 Totally 1.0
Non-Rare Earth Impurities ( % max.)
Fe
Si
Ca
Al
Mg
W
Ta
O
C
Cl		 0.01
0.005
0.005
0.005
0.005
0.05
0.0005
0.015
0.005
0.005		 0.1
0.01
0.05
0.01
0.01
0.05
0.01
0.15
0.01
0.01		 0.15
0.01
0.05
0.01
0.01
0.05
0.01
0.15
0.01
0.01		 0.15
0.01
0.05
0.01
0.01
0.05
0.05
0.2
0.03
0.02
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The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at the product's grade, or Send An Enquiry, you will receive our prompt reply within 24 hours.

 We export to over 30 countries worldwide, and hold a large stock of common Rare Earth Oxides, Metals & Compounds, including some specialty alloys. For research and samples, we offer 2-3 days delivery to the EU, USA, Japan, Korea and 3-5 days delivery for the rest of the world.

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