主晶相 |
长石质 | 长石-莫来石质 | 莫来石质 | 莫来石质-刚玉质 | 刚玉质 | |||
AL2O3% 含量 | 20-30 | 30-45 | 45-70 | 70-90 | ≥90 | |||
性能 | ||||||||
堆积密度(g/cm㎡) | 1.25-1.35 | 1.26-1.36 | 1.30-1.50 | 1.38-1.68 | 1.68-2.0 | |||
吸水率 % | ≤5 | |||||||
耐酸度 % | ≥99 | |||||||
耐碱度 % | ≥86 | ≥88 | ≥92 | ≥93 | ≥95 | |||
耐温度急变℃ | ≥250 | ≥300 | ≥500 | ≥700 | ≥800 | |||
耐温度℃ | ≥1300 | ≥1400 | ≥1500 | ≥1600 | ≥1700 | |||
抗压强度 KN/颗 |
φ3 | ≥0.12 | ≥0.14 | ≥0.15 | ≥0.16 | ≥0.20 | ||
φ6 | ≥0.40 | ≥0.42 | ≥0.44 | ≥0.48 | ≥0. | |||
φ8 | ≥0.48 | ≥0.52 | ≥0.60 | ≥0.62 | ≥0.65 | |||
φ10 | ≥0.60 | ≥0.7 | ≥0.80 | ≥0.90 | ≥1.00 | |||
φ13 | ≥1.00 | ≥1.10 | ≥1.30 | ≥1.50 | ≥2.00 | |||
φ16 | ≥1.50 | ≥1.60 | ≥1.80 | ≥2.30 | ≥2.60 | |||
φ20 | ≥1.80 | ≥2.00 | ≥2.30 | ≥2.80 | ≥3.20 | |||
φ25 | ≥2.50 | ≥2.80 | ≥3.20 | ≥3.60 | ≥4.00 | |||
Φ50 | ≥8.0 | ≥9.0 | ≥10.0 | ≥11.0 | ≥15.0 | |||
产品执行标准 | HG/T3683.3-2000《工业瓷球-开孔瓷球》 | |||||||
规格,ф(mm) |
孔径,mm | 空隙率,% | 比表面积,m2/m3 | 压力降,Pa/m | 莫氏硬度,级 |
ф6 | 2-3 | 46-48 | 581.6 | 1500-1950 | ≥6.5级 |
ф10 | 2-3 | 46-49 | 348.3 | 1450-1900 | |
ф13 | 3-5 | 46-50 | 268.5 | 1360-1860 | |
ф16 | 3-5 | 47-50 | 218.2 | 1320-1680 | |
ф20 | 4-6 | 48-50 | 175.2 | 1280-1560 | |
ф25 | 5-8 | 48-51 | 139.6 | 1230-1500 | |
ф30 | 5-8 | 48-52 | 116 | 900-1280 | |
ф50 | 8-12 | 48-53 | 69.8 | 380-690 |
直径, Φ |
6 | 8 | 10 | 13 | 16 | 20 | 25 | 30 | 38 | 50 | 75 |
直径允差,mm | ±1.0 | ±1.5 | ±2.0 | ±3.0 | |||||||
开孔孔径,mm | 2-3 | 3-6 | 5-10 | 8-12 |
耐火温度: | 1350-2000℃ |
材质: | 硅酸铝 莫来石 刚玉莫来石 纯刚 |
导热系数(常温): | 0.03 |
等级: | 优等品 |
低温弯折≤: | 120 |
抗弯强度: | 65 |
抗压强度: | 185 |
拉伸强度: | 125 |