IRON(II,III) OXIDE MAGNETOFLUID, 1.8% dispersed in light mineral oil
IRON(II,III) OXIDE MAGNETOFLUID, 1.8% dispersed in light mineral oil
IRON(II,III) OXIDE MAGNETOFLUID, 3.6% dispersed in water
IRON(II,III) OXIDE MAGNETOFLUID, 3.6% dispersed in water