Perlite Many kinds grade 0-5 mm ,50-80mesh,60-90mesh, ... -120mesh,50-150mesh C/O,SGS Made in China Expanded Perlite size:8-12mesh ,12-18mesh ,18-20mesh ,20-50mesh ,30 ... 0.1-1 1-3 3-5mmType: Expanded Perlite and Perlite sandApplication: building ,horticulture, filter aid...SiO2 Content (%): 69-72%Fe2O3 Content (%): 0.5 ...