The iron filings are perfect for either a physics class at school or to experiment with at home

1 knallert

så du ikke bruger tavlelakken til at mætte væggen med

they will dry out

Buy just the right amount for your project

Power magnet, Skive 5x4 mm. BF Tier1 The iron filings are perfectDiameter: 0. 5 cm. Height: 0. 4 cm. Strength: approx 870 g. Small but really strong magnet. This size can't be used for glass boards. SPECIFICATIONS: Strength: approx. 870 g. Material: NdFeB Magnetisation: N42 Gauss: 12900 13200 (1,29 1,32 T) MGOe: 40 42 Max. temperaturee: 80C Surface: nickle plated (Ni Cu Ni) Is often used as a magnet for hobby projects