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Ae-°í¾Ë·ç¹Ì³ªº®µ¹ [High Alumina Brick ]
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Ae-°í¾Ë·ç¹Ì³ªº®µ¹ [High Alumina Brick ] |
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°í¾Ë·ç¹Ì³ª º®µ¹ [High Alumina Brick ] ¾Ë·ç¹Ì³ª ½Ç¸®Ä«°è ³»È º®µ¹ Áß ¾Ë·ç¹Ì³ª ÇÔÀ¯·®ÀÌ ¸¹Àº ³»È º®µ¹. °í¾Ë·ç¹Ì³ªÁú »þ¸ðÆ® º®µ¹À̶ó°íµµ ÇÑ´Ù. ÃÖ±Ù °ø¾÷ µµÀÚ±â·ÎÀÇ °í¿ÂÈ °æÇâ¿¡ µû¶ó¼ ¹ß´ÞÇÑ °ÍÀÌ´Ù.±¤¹° Á¶¼ºÀº ¸Ö¶óÀÌÆ®¸¦ ÁÖ·Î ÇÏ°í ÀÖ´Ù. Al2O3 50% ÀÌ»óÀ» Æ÷ÇÔÇÑ´Ù. ºÐ¼®°ª ¿¹ : SiO2 28~42, Al2O3 54~68, Fe2O3 2.5~4.0%. °í±ÞÇ°Àº Al2O3 ¡Ã70%. Technical Analysis Table classification High Alumina Brick | SRA | SRA-91 | SRA-85 | SRA-75 | SRA-65 | Chemical Composition (%) | AL2O3 | 91.0 | 85.0 | 75.0 | 65.0 | SiO©ü | 8.7 | 14.2 | 23.8 | 33.7 | Fe2O3 | 0.3 | 0.8 | 1.2 | 1.3 | Refractoriness(¡ÆC) | 1880 | 1790 | 1770 | 1720 | Refractoriness under load, 0.5MPa, (¡ÆC) | 1720 | 1610 | 1550 | 1460 | Apparent porosity (%) | 18 | 21 | 23 | 24 | Bulk density (g/cm©ø) | 3.2 | 2.8 | 2.6 | 2.3 | Cold crushing strength (MPa) | 87 | 80 | 70 | 60 | Thermal expansion at 1400¡ÆC (%) | 0.2 | 0.3 | 0.4 | 0.6 | The recommended temperature (¡ÆC) | 1700 | 1600 | 1550 | 1450 |
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