The Samalout and Beni Khalid studied areas at Minia Governorate possess an exposure huge quantity of high quality limestone can be ground to a very fine grain size and used as an extender pigments for producing architectural and protective paint materials. In this present study an investigation is carried out to search for the appropriate of local natural ores which can be utilized in producing paint pigments, limestone samples collected from Samalout and Beni Khalid along Cairo-Minia road with total length of 40 km. The collected specimens were crushed and ground to powder varying in size between “10 - 30 um” for laboratory testing. The evaluation techniques for the various ore samples incorporated laboratory work for measuring the material quality control together with laboratory testing including physical properties, chemical analysis and paint manufacture (specific gravity, moisture content, pH value, oil absorption, whiteness, grain size analysis, X-Ray analysis, chemical analysis, microscopic studies), and others to prove that the selected limestone ore possess the required characteristics for pigments that can be utilized in producing the architectural and protective paint material in Egypt. The study indicates that the limestone ore located in Minia “Al Set, Gebel Al Taar, Beni Hassan & Beni Khalid” can be utilized as extender pigments for paint materials. The estimated reserves of the studded ores give an indication of presence the huge quantities for stream production of the some paint pigments needed for Egyptian market.
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