... Microscope slides are manufactured from normal glass or super white glass. Chemical Composition of normal glass: Silicon DioxideSiO272.00%Sodium OxideNa2O14 ... 1Single frosted, cut edges, 90°corner 7105Single frosted, ground edges, 90°/45°corner7107-1double frosted, cut edges, ... 90°corner 7107double frosted, ground edges,90°/45°cornerHDAS016-1Plain, beveled edges,45° ...