主 要 技 術(shù) 數(shù) 據(jù):
| 種類 | 長石質(zhì) | 長石-莫來石質(zhì) | 莫來石質(zhì) | 莫來石質(zhì)-剛玉質(zhì) | 剛玉質(zhì) | |
| 性能 | ||||||
| 化學(xué)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(qiáng)度 N/顆 | Φ3 | ≥130 | ≥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y, kg/m3 | 1300-1400 | 1400-1500 | 1500-1600 | 1600-1800 | ≥1800 | |
規(guī) 格 尺 寸:
| 直徑 Φ | 3 | 6 | 8 | 10 | 13 | 16 | 20 | 25 | 30 | 38 | 50 | 75 |
| 直徑允差 | ±1.0 | ±1.5 | ±2.0 | ±3.0 | ||||||||
