Materias primas y métodos de producción de materiales cerámicos ...

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Tabella 1. Composizioni chimiche e mineralogiche medie <strong>de</strong>lle principali tipologie di argille italiane per piastrelle ceramiche. % peso Argille Azzurre Fm Ranzano Fm Montepian Argilliti Varicolori Lozzolo- Gattinara Piloni di Torniella Santa Severa Fm Sarcidano Tresnuraghes Romana media di n 12 33 20 7 96 17 19 156 45 13 SiO2 49.57 49.20 58.15 56.09 69.69 66.71 68.61 60.68 74.45 69.37 TiO2 0.60 0.62 0.77 0.79 0.52 0.30 0.30 1.15 0.11 0.67 Al2O3 13.21 13.93 17.86 18.36 17.05 22.07 21.71 24.71 15.89 19.77 Fe2O3 5.10 5.40 7.19 7.58 3.26 0.92 0.58 1.81 0.80 1.32 MgO 3.32 3.41 3.02 3.10 0.60 0.19 0.22 0.69 0.19 0.06 CaO 10.74 10.17 1.48 1.94 0.29 0.36 0.09 0.23 0.18 0.13 Na2O 1.22 1.28 1.31 1.05 0.68 0.69 0.18 0.25 1.10 0.19 K2O 2.40 2.59 3.30 2.93 3.00 3.15 0.44 2.88 2.73 0.32 P.F. 1000°C 13.70 12.84 6.65 8.04 4.80 4.82 7.66 7.53 4.53 7.03 Illite 23 24 32 30 15 17 assente 33 tracce tracce Clorite 10 9 8 7 2 assente assente tracce 0 0 Caolinite 4 3 4 7 20 30 50 36 35 48 Smectite 3 5 6 9 1 tracce 4 5 9 1 Quarzo 25 23 28 26 41 33 41 20 5 14 Cristobalite assente assente assente assente assente assente assente assente 48 30 Feldspati 10 10 10 7 16 17 3 4 0 4 Carbonati 20 20 5 6 assente assente assente assente assente assente Fe-ossidi 4 4 6 6 3 tracce tracce 1 1 1 Accessori 2 2 1 2 2 3 2 1 2 2
% peso Tabella 2. Composizioni chimiche indicative <strong>de</strong>i principali materiali feldspatici italiani per piastrelle ceramiche. Giustino (Trento) Ottana (Nuoro) Albitite Aplite-Pegmatite Granito Riolite Vibo Valentia (Calabria) Colle San Domenico (Cosenza) Botro ai Marmi (Grosseto) Buraccio (Elba) Sanfront (Cuneo) Cacciano (Biella) Baveno (Verbania) Boca (Novara) Siurgius Donigala (Oristano) SiO2 70.9 69.1 66.1 75.4 71.0 73.4 72.0 75.6 78.3 77.0 78.1 TiO2
Page 1 and 2: Curso de Sociedad Española de Arci
Page 3 and 4: MATERIAS PRIMAS Y MÉTODOS DE PRODU
Page 5 and 6: Sanfeliu T, Cepriá JJ / Materias P
Page 21 and 22: Materias Primas y Métodos de Produ
Page 23 and 24: Parras J / Materias Primas y Métod
Page 33 and 34: Galán E / Materias Primas y Métod
Page 43 and 44: Dondi M, Fabbri B / Materias Primas
Page 45: Dondi M, Fabbri B / Materias Primas
Page 59 and 60: Figura 5. Diagramma ternario illite
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Page 77 and 78: Tabla 1. Composición mineralógica
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Materias primas y métodos de producción de materiales cerámicos ...

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