Perlite (Chemicals) Size:1-2mm,2-4mm,3-6mm Category:expand perlite ,unexpand perlite. Perlite (Chemicals) Abrasive Agent:In standard industrial applications, perlite is also added as an abrasive agent to numerous products, such as soaps, detergents or polishes.Adsorbent Agent:Perlites numerous pores make it very useful as an adsorbent agent, particularly in litters.