Quick Answer: The Bar Magnet, Pair, Alnico is a pair of cast Alnico V bar magnets, 75mm x 15mm x 10mm, with red north and blue south poles. Soft iron end-keepers are included.
Last updated: October 2026
Key Features
Pair of cast Alnico V alloy bar magnets
Size 75mm x 15mm x 10mm; other sizes from 50mm to 150mm on request
Epoxy-painted poles: north red, south blue
Soft iron end-keepers supplied to protect the magnetism in storage
Magnetic remanence about 12,500 Gauss
Technical Specifications
Specification
Value
Material
Alnico V, cast alloy
Dimensions
75mm x 15mm x 10mm
Other sizes
50mm to 150mm
Remanence (Br)
~12,500 Gauss
Curie temperature
860°C (operation up to 450°C)
Pole finish
Epoxy paint, north red / south blue
Keepers
Soft iron end-keepers included
HS Code
8505.11.10
About This Product
Bar magnets are used to plot magnetic field lines with iron filings or a plotting compass, and to show attraction and repulsion between like and unlike poles. A pair lets students compare the fields of two magnets placed end to end or side by side. Enquiries from Solomon Islands, Côte d'Ivoire, Mozambique, Paraguay, Republic of the Congo and Antigua and Barbuda for the Bar Magnet, Pair, Alnico receive an export quotation.
Frequently Asked Questions
Are keepers supplied with the Alnico bar magnets?
Yes. Soft iron end-keepers are included with the pair.
How are the poles marked?
The poles are epoxy-painted, red for north and blue for south.