性能 種類
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長(zhǎng)石質(zhì)
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長(zhǎng)石-莫來石質(zhì)
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莫來石質(zhì)
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莫來石質(zhì)-剛玉質(zhì)
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剛玉質(zhì)
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化學(xué)成份
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Al2O3
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20-30
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30-45
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45-70
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70-90
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≥90
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Al2O3+SiO2
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≥90
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Fe2O3
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≤1
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吸水率, %
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≤5
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耐酸度, %
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≥98
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耐堿度,%
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≥80
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≥82
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≥85
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≥90
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≥95
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耐熱溫度,℃
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≥1300
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≥1400
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≥1500
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≥1600
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≥1700
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抗壓強(qiáng)度
N/顆 |
Φ3
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≥120
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≥140
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≥150
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≥160
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≥200
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Φ6
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≥400
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≥420
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≥440
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≥480
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≥500
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Φ8
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≥480
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≥520
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≥600
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≥620
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≥650
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Φ10
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≥600
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≥700
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≥800
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≥900
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≥1000
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Φ13
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≥1000
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≥1100
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≥1300
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≥1500
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≥1800
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Φ16
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≥1500
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≥1600
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≥1800
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≥2300
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≥2600
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Φ20
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≥1800
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≥2000
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≥2300
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≥2800
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≥3200
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Φ25
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≥2500
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≥2800
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≥3200
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≥3600
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≥4000
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Φ30
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≥3000
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≥3200
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≥3500
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≥4000
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≥4500
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Φ38
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≥4000
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≥4500
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≥5000
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≥5500
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≥6000
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Φ50
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≥6000
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≥6500
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≥7000
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≥8500
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≥10000
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Φ75
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≥10000
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≥11000
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≥12000
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≥14000
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≥15000
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堆積重度, kg/m3
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1300-1400
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1400-1500
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1500-1600
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1600-1800
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≥1800
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直徑, Φ
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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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直徑允差,mm
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±1.0
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±1.5
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±2.0
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±3.0
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