高性能防渗硅质捣打料理化指标
hdd-1
hdd-2
hdd-3
hdd-4
hdd-5
化学成分（%）
chemical composition
sio2≥
98
97
96
96
96
al2o3≤
0.7
0.6
0.6
0.5
0.4
fe2o3≤
0.1
0.1
0.4
0.4
0.8
冷态耐压强度（mpa)
cold crushing strength
1300℃×3h
after firing at
15
15
10
10
25
显气孔率（％）
ａpparent porosity
1300℃×3h
after firing at
26
26
25
25
23
烧后线变化率（％）
linear changing after burnt
1300℃×3h
after firing at
0～+1.6
0～+1.2
0～+1.0
体积密度（kg/cm3）
bulk density
1300℃×3h
after firing at
2.0
2.0
2.1
2.1
2.2
耐火度(℃)refractoriness
1850
1830
1800
1800
—
最大集料粒度(mm)
max. grain size of aggregate
5
4.5
4.5
4.2
4.2
施工用量(kg/m3)amount for construction
2300
2300
2300
2400
2400
施工方式mathod of construction
振动或捣打 jolt or ramming
应用 application
青铜、紫铜
copper steel
紫铜.黄铜copper brass
白铜cupronickel
紫铜.黄铜
青铜
copper brassbronze
铝
aluminium
适应：中频炉熔化钢、铁及有色金属等.
adaptation：if steel and non-ferrous metal melting furnace.
特点 characteristic
价廉 保温 节电 不沾渣 快速干燥 化学结合 耐侵蚀
cost down thernalinsulation economy electricity nostickresidue
fast drying chemicalbonded corrosion resistance

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