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The green ceramic tiles were prepared as follows. The pigment powders were added to the ceramic base body and. Homogenized with minimum amounts of moisture. The mix - tures were then pressed into cylinders with a diameter of ∅ 20 mm. Under the compressive strength of 25 MPa or 30 MPa.The green ceramic tile samples were dried at 110 1C for 4 h and sintered in a MUF fl e furnace at, typical temperatures i.e. 1100 1150, 1175 and 1200 1C,,, For various sintering times, of 15 30 60 and, 120 min. The effects of addition ratios of mineralizer (1% and 2% CaF2 on.) The color of the ceramic tiles were also considered.
L a B perpendicular axes,,,Developed by the International Commission on Illumination are usually, used to represent the color space. Of, these axes. The L axis, represents lightness þ A and À a represents red and green respectively while B, value is related to the axis from. Yellow (þ b) to blue (À b). The colorimetric coordinates (,,) L a B of the fi red ceramic tiles were triply examined.The compressive strength of the sintered ceramic tiles was also evaluated.
2.3. Leaching tests of stainless steel plant. Dust and ceramic.
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