HDD-1

HDDD-2

HDD-3

HDD-4

HDD-5

化学成分（%）

Chemical composition

SiO2≥

98

96

96

96

96

Al2O3≤

0.7

0.6

0.6

0.5

0.4

Fe2O3≤

0.5

0.5

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（g/cm3）

Bulk density

1300℃×3h

After firing at

2.0

2.0

2.1

2.1

2.2

耐火度(℃)Refractoriness

1780

1780

1780

1780

—

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

紫铜.黄铜

青铜

copperbrassbronze

紫铜.黄铜copper brass

白铜cupronickel

钢铁

steel

铝

aluminium

适用于100KW以下感应电炉最佳

有色金属熔炼炉Melting furance for nonferrous metals

be the same with? 100KW hereinafter inductance 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