|
性能 種類
|
長石質
|
長石-莫來石質
|
莫來石質
|
莫來石質-剛玉質
|
剛玉質
|
|
化學成份
|
Al2O3
|
20-30
|
30-45
|
45-70
|
70-90
|
≥90
|
Al2O3+SiO2
|
≥90
|
|||||
Fe2O3
|
≤1
|
|||||
吸水率, %
|
≤5
|
|||||
耐酸度, %
|
≥98
|
|||||
耐堿度,%
|
≥80
|
≥82
|
≥85
|
≥90
|
≥95
|
|
耐熱溫度,℃
|
≥1300
|
≥1400
|
≥1500
|
≥1600
|
≥1700
|
|
抗壓強度
N/顆 |
Φ3
|
≥120
|
≥140
|
≥150
|
≥160
|
≥200
|
Φ6
|
≥400
|
≥420
|
≥440
|
≥480
|
≥500
|
|
Φ8
|
≥480
|
≥520
|
≥600
|
≥620
|
≥650
|
|
Φ10
|
≥600
|
≥700
|
≥800
|
≥900
|
≥1000
|
|
Φ13
|
≥1000
|
≥1100
|
≥1300
|
≥1500
|
≥1800
|
|
Φ16
|
≥1500
|
≥1600
|
≥1800
|
≥2300
|
≥2600
|
|
Φ20
|
≥1800
|
≥2000
|
≥2300
|
≥2800
|
≥3200
|
|
Φ25
|
≥2500
|
≥2800
|
≥3200
|
≥3600
|
≥4000
|
|
Φ30
|
≥3000
|
≥3200
|
≥3500
|
≥4000
|
≥4500
|
|
Φ38
|
≥4000
|
≥4500
|
≥5000
|
≥5500
|
≥6000
|
|
Φ50
|
≥6000
|
≥6500
|
≥7000
|
≥8500
|
≥10000
|
|
Φ75
|
≥10000
|
≥11000
|
≥12000
|
≥14000
|
≥15000
|
|
堆積重度, kg/m3
|
1300-1400
|
1400-1500
|
1500-1600
|
1600-1800
|
≥1800
|
直徑, Φ
|
3
|
6
|
8
|
10
|
13
|
16
|
20
|
25
|
30
|
38
|
50
|
75
|
直徑允差,mm
|
±1.0
|
±1.5
|
±2.0
|
±3.0
|