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Table 3 Coating composition

From: Investigating the flexural strength of recycled cast glass

Coating type Glass source Compos ition\(^\mathrm{a}\) (wt%)
\(\hbox {SiO}_{2}\) \(\hbox {Bi}_{2}\hbox {O}_{3}\) \(\hbox {C}_{2}\hbox {O}_{3}\) CuO PbO \(\hbox {Na}_{2}\hbox {O}\) \(\hbox {TiO}_{2}\) \(\hbox {Fe}_{2}\hbox {O}_{3}\) \(\hbox {Al}_{2}\hbox {O}_{3}\) CdO ZnO
Black enamel Enamel float, AGC 30.7 28.6 19.4 10.2   3.3 4.2     1.3
Black frit Oven door, Coolrec 33.2   22.5 10.6 12.7 7.2 2.2 3.8 3.6 2.9  
  1. \(^\mathrm{a}\)XRF measurements conducted with a Panalytical Axios Max WD-XRF spectrometer by Ruud Hendrikx. The absolute wt% obtained by the XRF measurements may not be entirely accurate in the case of thin coatings, due to the extremely small thickness of the coating