Silica gel Beads from 1-2 mm to 2-4mm Spherical Beads. Standard white silica gel is referred to as being non-indicating. As it absorbs moisture it remains physically unchanged. Non-indicating silica gel is both cheap and effective, available loose in bulk packs or packed in the tin or packed in sachets.In this type, all the particles of Silica Gel are not impregnated with any Kind of indicating agent. When free from moisture the particles are transparent white. As they are put to use, the particles take up moisture, Silica Gel gradually turns little milk or hazy in whiteness, these Silica gel always has a higher capacity for Moisture uptake than any indicator type Silica Gel. These can be regenerated in dryers or inside dehumidifiers.