Perlite Filter Media for Swimming Pools
2016 11 8 perlite is at least 30 per cent lighter than these competing materials . Because perlite is a Generally Recognised as Safe GRAS substance, it is more easily disposed of. AUSPERL is the primary supplier of perlite filter media in Australia and New Zealand. Products are matched to client requirements.
Perlite for Filtration
Perlite filter aid grades provide the user with a density advantage from 20 to 50% over other types of filter aids. Perlite filter aid dry density ranges from 100 to 200 kg/m3 6 to 12 lb/ft3, and the filter cake density range is 100 to 270 kg/m3 7