1)Use:building ,horticulture, filter aid 2)Size:2.5-7mm 3)Pack: as your ... mortars, insulation, ceiling tiles, in horticulture and as filter aid.In horticulture, perlite can be used as a soil amendment ... water loss and soil compaction.Perlite is an excellent filter aid. It is used extensively as an alternative to diatomaceous ... by the explosive industry. Perlite expanded horticultural filter aid building