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General fireclay, high-a

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Place of Origin： China - Shandong - Zibo
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Product Details

 Details

项 目 Item\ 牌 号 Brand
粘 土 质
Fire clay
高 铝 质
High-Alumina
N-1
N-2a
N3
N-4
LZ-85
LZ-80
LZ-75
LZ-65
LZ-55
LZ-48
Al2O3 %
≥42
≥40
≥40

≥85

≥80

≥75

≥65

≥55

≥48

耐火度 ℃
RefractorinessR
≥1750
≥1730
≥1690
≥1700
荷重软化温KD ℃
Refractoriness under Load
≥1400
≥1350
T2≥1450
≥1300
≥1550
≥1530
≥1520
≥1500
≥1470
≥1450
重烧线变化率 %
Permanent Linear Change
1400℃×2h
+0.1～-0.4
1400℃×2h
+0.1～-0.5
1350℃×3h
+0.1～-0.5
1350℃×2h
+0.2～-0.5
1500℃×2h
+0.1～-0.4
1500℃×2h
+0.1～-0.4
1500℃×2h
+0.1～-0.4
1500℃×2h
+0.1～-0.4
1450℃×2h 
+0.1～-0.4
1450℃×2h
+0.1～-0.4
显气孔率 %
Apparent Porosity
≤22
≤24
≤24
≤24
≤23
≤22
≤23
≤23
≤22
≤22
常温耐压强度 Mpa
Cold crushing strength
≥29.4
≥24.5
≥25
≥20.0
≥55
≥55
≥50
≥45
≥40
≥35
用 途
Application		各种工业窑炉及热工设备
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