Definition of COMMODITY RATE. : a common carrier rate distinguished from a class rate and applicable only to a specific commodity or group of related commodities carried between specific points or territories. ADVERTISEMENT. a common carrier rate distinguished from a class rate and applicable only to a specific commodity or group of related commodities carried between specific points or territories.
Cubic Zirconia. Cubic zirconia (CZ), a diamond simulant, is not only the oldest diamond substitute, but also the most popular. Composed of zirconium oxide (ZrO 2) the mineral is extremely rare in natural form. Discovered by German mineralogists in 1937, zirconium wasnât considered economically feasible.ubic zirconia possesses less brilliance (less sparkle), but has more fire (flashes of rainbow color.) CZ is also very hard, not quite as hard as a diamond, but like a diamond can scratch glass.
Specifically designed to fit random orbital heads of floor machines with hook and loop fastening system (U-Sand, etc). 7 Hook & Loop Sanding Discs. For 7 hook & loop floor sanders including Clarke CE/SE7 Pro/Pro+/EZ-Sand, Varathane EZV, etc. From 16 to 120 grit. 7 Zirconia Hook & Loop Sanding Discs. New! Premium Zirconia discs for 7 hook & loop floor sanders including Clarke CE/SE7 Pro/Pro+/EZ-Sand, Varathane EZV, etc. From 16 to 120 grit.