Heat absorbing blue-green glass composition
A technology of heat-absorbing glass and composition, applied in the field of construction, can solve the problems of iron content and selenium content control, etc., and achieve the effect of pure color, easy to accept, and high brightness
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Embodiment 1
[0055] The main components of the above-mentioned blue-green heat-absorbing glass composition are formulated according to the following ratio: SiO 2 75.4%, CaO 9.7%, Na 2 O 10.7%, MgO 1.05%, Al 2 o 3 0.5%, the colorant components include total iron 1.18% (of which ferrous iron is 0.24%), CoO 16ppm, Cr 2 o 3 3.3ppm, CuO 0.38%, ZnO 0.55%, TiO 2 0.46%. According to the batching ratio of the glass composition, the raw materials are put into the kiln head silo, enter the melting furnace, and go through processes such as melting, clarification, molding, annealing, cutting, and boxing to produce blue-green glass, and its visible light transmittance is 63%. , The total solar transmittance is 34.5%. Use X-RITE TM The color difference measured by the SP-62 portable color difference meter is: L * The value is 33.65; a * The value is -4.61; b * The value is -0.71.
Embodiment 2
[0057] The main components of the above-mentioned blue-green heat-absorbing glass composition are formulated according to the following ratio: SiO 2 70.2%, CaO 10.4%, Na 2 O 13.0%, MgO 2.56%, Al 2 o 3 0.7%, the colorant components include total iron 1.05% (of which ferrous iron is 0.28%), CoO 7ppm, Cr 2 o 3 12.2ppm, CuO 0.34%, ZnO 0.40%, TiO 2 1.22%. According to the proportion of the glass composition, the raw materials are put into the kiln head silo, enter the melting furnace, and go through processes such as melting, clarification, molding, annealing, cutting, and boxing to produce blue-green glass, and its visible light transmittance is 61.6%. , The total solar transmittance is 31.9%. Use X-RITE TM The color difference measured by the SP-62 portable color difference meter is: L * The value is 35.01; a * The value is -4.45; b * The value is -0.11.
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