product

DYSPROSIUM OXIDE

Dysprosium oxide is a white or slight yellow powder. It is used as the raw material in making of metal dysprosium, as the additives of glass and Nd-Fe-B permanent magnets, and it is also applied in the industry of metal halide lamps, magneto-optic memory materials, YIG or YAG, also it is used as a neutron flux control materials in atomic energy industries.

Items	Specifications				Typical analyses
Type	YLDy2O3-015	YLDy2O3-02	YLDy2O3-025	YLDy2O3-03	-
REO %	≥99	≥99	≥99	≥99	-
RE purity and relative RE impurities
Dy2O3/REO %	≥95	≥99	≥99.5	≥99.9	-
Sm2O3/REO %	≤5 in total	≤1 in total	≤5 in total	≤0.01	-
Tb4O7/REO %				≤0.04	-
Ho2O3/REO %				≤0.03	-
Er2O3/REO %				/	-
Y2O3/REO %				≤0.01	-
Yb2O3/REO %				≤0.01	-
Non-RE impurities
Fe2O3 %	≤0.02	≤0.01	≤0.005	≤0.0015	0.001
SiO2 %	≤0.01	≤0.01	≤0.01	≤0.006	0.001
CaO %	≤0.05	≤0.05	≤0.05	≤0.007	0.004
CuO %	/	≤0.005	≤0.005	≤0.0005	-
NiO %	/	≤0.001	≤0.001	≤0.001	-
PbO %	/	≤0.001	≤0.001	≤0.001	-
Cl %	/	≤0.05	≤0.03	≤0.006	0.005

HIGHT-DENSITY SAMARIUM OXIDE

High-density samarium oxide is a slightly yellow powder. It is mainly used in manufacturing of metal samarium, Sm-Co permenant magnetic materials, electric devices and ceramic capacitors, etc.

Items	Specifications
Type	YL H.D Sm2O3-018	YL H.D Sm2O3-02
REO %	≥99	≥99
RE purity and relative RE impurities
Sm2O3/REO %	≥98	≥99
CeO2/REO %	≤0.1	≤0.05
Nd2O3/REO %	≤1	≤0.15
Eu2O3/REO %	≤0.3	≤0.05
Gd2O3/REO %	≤0.1	≤0.1
Y2O3/REO %	≤0.1	≤0.05
Non-RE impurities
Fe2O3 %	≤0.025	≤0.005
CaO %	≤0.025	≤0.015
SiO2 %	≤0.025	≤0.01
B	≤0.001	≤0.001
Cl	≤0.02	≤0.02
Loss on lgnition % (1000°C)	≤0.5	≤0.5
Tap density g/cm³	≥2	≥2

The Brief Introduction of RE Oxide Products Series

　　RE oxides are mainly used for making of RE fluorescent materials, RE magnetic materials, RE metal hydride materials and the industrial additives, and it is also used in making of colorants and catalysts, etc.

　　At present, the RE oxide products produced by Shanghai Yue Long Non-Ferrous Metals Limited Company are mainly as follows: lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, terbium oxide, dysprosium oxide, erbium oxide, ytterbium oxide, yttrium oxide, Ce-Tb oxide, La-Ce-Tb oxide and yttrium europium oxide, etc. We can supply about one hundred kind of oxides with the specifications from 95% to 99.999%. The products are mainly exported to Europe, U.S.A, Japan, South-Korea and other countries in the south-east Asia.