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項目/品名
Specification
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普通瓷球
Common Ceramic Ball
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惰性氧化鋁瓷球
Inert Alumina
Ceramic Ball
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中鋁瓷球
Medium Alumina Ceramic Ball
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高鋁瓷球
High Alumina Ceramic Ball
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99高鋁瓷球
99% Alumina
Ceramic Ball
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Al2O3 (%)
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17-23
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23-30
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47-75
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90-92
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99
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Al2O3+SiO2
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＞93
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＞92
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＞93
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＞94
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＞99
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Fe2O3 (%)
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＜1
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＜1
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＜1
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＜1
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0.2
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吸水率(%)
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＜0.5%
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＜0.5%
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＜1
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＜2
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2.0-6.0
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顆粒密度g/cm3
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2.3-2.4
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2.3-2.4
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2.6-2.9
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3.4
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3.1-3.6
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操作溫度(max)℃
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＞980
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＞982
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1480
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1580
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1600
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莫氏硬度(級)
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＞6.5
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＞7
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＞7
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＞7
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＞7.5
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抗壓強度
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KN/粒
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||||
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1/4(6mm)
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＞0.4
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＞0.54
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＞0.56
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＞0.44
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＞1
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1"(25mm)
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＞6.22
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＞6.22
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＞4.89
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＞5.33
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＞8
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11/2(38mm)
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＞8.92
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＞8.92
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＞5.33
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＞5.28
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＞8
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2"(50mm)
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＞9.8
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＞9.8
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＞6.22
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＞8
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＞15
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直徑Dia(Ø)
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3
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6
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8
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10
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13
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16
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20
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25
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30
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38
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50
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75
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直徑充差
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±0.1
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±1.5
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±2.0
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±3.0
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