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temÐͺŠ| BG-94 | BG-95 | BG-96A | BG-96B | |
»¯Ñ§Ö¸±êChemical composition% | SiO2 | ≥94 | ≥95 | ≥96 | ≥96 |
Fe2O3 | ≤1.5 | ≤1.5 | ≤0.8 | ≤0.7 | |
Al2O3+TiO2+R2O | ≤1.0 | ≤0.5 | ≤0.7 | ||
ÄÍ»ðζÈRefractoriness ¡æ | 1710 | 1710 | 1710 | 1710 | |
ÏÔÆø¿×ÂÊApparent Porosity£¥ | ≤22 | ≤21 | ≤21 | ≤21 | |
Ìå»ýÃܶÈBulk Density g/cm3 | ≥1.8 | ≥1.8 | ≥1.87 | ≥1.8 | |
ÃܶÈTrue Density, g/cm3 | ≤2.38 | ≤2.38 | ≤2.34 | ≤2.34 | |
¿¹Ñ¹Ç¿¶ÈCold Crushing Strength Mpa | ≥24.5 | ≥29.4 | ≥35 | ≥35 | |
ºÉÖØÈí»¯Î¶È0.2Mpa Refractoriness Under Load T0.6 ¡æ | ≥1630 | ≥1650 | ≥1680 | ≥1680 | |
ÓÀ¾ÃÏ߱仯Permanent Linear Change On Reheating £¨%£©1500¡æX2h |
0¡«+0.3 | 0¡«+0.3 | 0¡«+0.3 | 0¡«+0.3 | |
20£1000¡æ ÈÈÅòÕÍϵÊýThermal Expansion 10-6/¡æ | 1.25 | 1.25 | 1.25 | 1.25 | |
µ¼ÈÈϵÊýThermal Conductivity (W/MK) 1000¡æ | 1.74 | 1.74 | 1.44 | 1.44 |
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