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