Pyrophyllite has a patellar (layered) molecular structure in which the individual layers are weakly bonded to one another and can thus slide over one another. This helps the paint to slide smoothly on the surface it is being applied on.
Alsil p - (5% > 45um; 80 reflectance)
Pyrofil - (15% > 10um; 87 reflectance)
Als 50 - (1%>53um, 83 reflectance)
Als 100 - (3% > 106um; 75 reflectance)
