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江蘇熱風爐用耐火材料 / Welcome南通華夏耐火保溫材料有限公司 >> 相關產品 >> 江蘇熱風爐用耐火材料 >> 揚州熱風爐用耐火材料

揚州熱風爐用耐火材料

熱風爐用耐火材料

    
                                 熱風爐用高鋁磚                                                                               低蠕變高鋁磚

牌號
項目
DRL-70
DRL-75
DRL-80
DRL-65
DRL-55
DRL-48
AL2O3%不小于
70
75
80
65
55
48
Fe203%
1.6
1.6
1.5
 
 
 
K2O+NC2O%
0.8
0.8
0.7
 
 
 
耐火度℃不低于
1790
1790
1790
1790
1770
1750
重燒線變化PLC%不低于
1450×2h
+0.1--0.2
1500×2h
+0.1--0.2
1500×2h
+0.1--0.2
1500×2h
+0.1--0.4
1500×2h
+0.1--0.4
1500×2h
+0.1--0.4
顯氣孔率%AP不大于
21
21
19
24
24
24
體積密度BD g/cm3
 
 
 
 
 
 
0.2MPa荷重軟化開始點℃ RLC不低于
1580
1600
1650
1500
1470
1420
常溫耐壓強度CCS Mpa,不小于
65
70
80
49
44.1
39.2
高溫蠕變率%不大于
0.8
(1350×50h)
0.8
(1450×50h)
0.8
(1500×50h)
 
 
 

 

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