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耐火磚 / Welcome南通華夏耐火保溫材料有限公司 >> 產品展示 >> 耐火磚 >> 高爐用耐火材料

高爐用耐火材料

 

高爐用耐火材料

    
       
高爐用高鋁磚                                                                                                          高爐用粘土磚
High-Al bricks used in biast                                                                     Clay bricks used in biast
 
 

牌號
項目
高爐用高鋁磚
高爐用粘土磚
高爐用磷酸浸漬粘土磚
GL-65
GL-55
GL-48
GL-42
GL-42
AL203%不小于
65
55
48
42
42
41-45
Fe2O3%不大于
2.0
2.0
2.0
1.6
1.7
1.2
P2O5%不小于
7
耐火度℃不低于
1790
1770
1750
1750
1750
顯氣孔率AP%,不大于
19
19
18
15
16
14
抗堿性(強度下降率)%不大于
15
0.2MPa荷重軟化開始溫度,℃RUL不低于
1500
1480
1450
1450
1430
1450
常溫耐壓強度CCS Mpa,不低于
58.8
49
49
58.8
49
60
重燒線變化RLC%不大于
1450℃×2h
 
 
0~-0.2
0~-0.2
0~-0.3
0~-0.2
1550℃×2h
0~-0.2
 
 
 
 

 


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