Holmium Boride Powder CAS No 12045-77-1 Hob4 3n 4n

• Certification: ISO
• Shape: Powder
• Purification Method: Vacuum Distillation
• Preparation Method: Metallothermic Reductio
• Application: Mainly Used in Magnetostrictive Materials
• Product Type: Rare Earth Alloy
• Model NO.: ES0309
• Composition: Holmium Boride
• CAS: 12045-77-1
• Molecular Formula: B4ho
• Molecular Weight: 208.17
• Einecs: 234-964-0
• Synonyms: Holmium Boride
• Color: Dark Gray
• Form: Powder
• Content: 99.9% Min
• Brand: Easchem
• Transport Package: Vacuum Bag or Packing as Per Request
• Specification: Holmium Boride Powder
• Trademark: EASCHEM
• Origin: China
• Production Capacity: 10tons Per Month

Product Description

Product Description

Product Name			Ho Metal	Ho Metal
Chemical formula			Ho	Ho
Total rare earths			99.00%	99.00%
Test item		unit	Specified value	Specified value
Ho/RE		%	≥99.9	≥99.5
Non rare earth impurity content	Fe	%	≤0.05	≤0.10
	Si	%	≤0.03	≤0.05
	C	%	≤0.03	≤0.05
	O	%	≤0.25	≤0.30
	Mg	%	≤0.03	≤0.05
Product Features	bulk or acicular crystal and the surface is silver gray
Application	Mainly applied to magnetostriction,luminescent and magnetic cooling materials
Packing	packing in polyethylene bags with argon protection sealed in steel drums,50KG/250KG perdrum.
Tailor-made service	Customized products and packages can be provided according to customers' special requirements.

Index            Model		EST77	EST23
Chemical formula		Ho	Ho
Total rare earth (%)		99	99
Ho/RE(%)		≥99.90	≥99.50
Non-rare earth impurity content (%)	Fe	≤0.05	≤0.10
	Si	≤0.03	≤0.05
	C	≤0.03	≤0.05
	O	≤0.25	≤0.30
	Mg	≤0.03	≤0.05

Index              Model	HoB4.3N	HoB4.4N	HoB4.4N
Ho/TREM+B(%,min)	99.9	99.99	99.99
TREM+B(%,min)	99.0	99.5	999
Appearance	Dark Gray Powder	Dark Gray Powder	Dark Gray Powder
RE Impurities/TREM	%(Max)	%(Max)	%(Max)
Ho	Main	Main	Main
Ce	\	\	\
Pr	\	\	\
Nd	\	\	\
Sm	\	\	\
Eu	0.001	0.002	0.002
Gd	0.002	0.003	0.003
Tb	0.01	0.003	0.003
Dy	0.05	0.001	0.001
La	\	\	\
Er	0.05	0.001	0.001
Tm	0.01	0.001	0.001
Yb	0.01	0.001	0.001
Lu	0.01	0.001	0.001
Y	0.03	0.001	0.001
Non-Re Impurities	%(Max)	%(Max)	%(Max)
Fe	0.15	0.1	0.01
Si	0.01	0.01	0.005
Ca	0.05	0.05	0.005
Al	0.01	0.01	0.005
Mg	0.01	0.01	0.005
W	0.05	0.05	0.05
Ta	0.01	0.01	0.0005
O	0.15	0.15	0.015
Zn	\	\	\
Cu	\	\	\
Ni	\	\	\
Pb	\	\	\
Cd	\	\	\
Cr	\	\	\
Hg	\	\	\
Na	\	\	\
K	\	\	\
Ti	\	\	\
Th	\	\	\
Mo	\	\	\
C	0.01	0.01	0.005
Cl-	0.01	0.01	0.005
Particle Size:	1-5um, 5-10um, -325mesh, -200mesh, -100mesh.
Memo	Can custom-made as per request.

Packing:	0.1KGs, 0.2KGs, 0.5KGs Vacuum Bag  or packing as per request.
Storare:	Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	As-cast dark gray powder is extremely susceptible to oxidation and ignition in the air.
Application:	1. Mainly for metallurgical purposes. For example, adding vanadium to vanadium reduces hardness and improves workability. The nuclear industry also has some applications.
	2. Metal can be further processed into various shapes of ingots, blocks, wires, foils, plates, rods, disks and powders.

ITEM			SPECIFICATIONS			TEST RESULTS
Ho/TREO(%,min)			99.9			99.9
TREO(%,min)			99.0			99.0
RE Impurities(%/TREO,Max)
La						<0.005
Ce						<0.005
Pr						<0.005
Nd						<0.005
Sm						<0.005
Eu						<0.005
Gd						<0.005
Tb						<0.005
Dy						<0.005
Er						<0.005
Tm						<0.005
Yb						<0.005
Lu						<0.005
Y						<0.005
Non-Re Impurities(%,Max)
Fe						0.045
Si						0.026
Ca						0.031
Al						0.017

Packaging & Shipping

Packing:	50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request.
Storare:	Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	Pink powder, slightly soluble in inorganic acid, insoluble in water.

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