| 檢測項目 | 質量標準 | P·052.5 | P·042.5R低堿 | P·042.5 | P·S·A32.5 | P·C 32.5 | |||||
| 國家標準 | 內控標準 | 國家標準 | 內控標準 | 國家標準 | 內控標準 | 國家標準 | 內控標準 | 國家標準 | 內控標準 | ||
| 燒失量(%) LOSS | ≤5.0 | ≤4.0 | ≤5.0 | ≤4.0 | ≤5.0 | ≤4.0 | - | - | - | - | |
| 不容物(%) IR | - | - | - | - | - | - | - | - | - | - | |
| 氯化鎂(%) MgO | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | |
| 三氯化硫(%) SO3 | ≤3.5 | ≤2.9 | ≤3.5 | ≤2.9 | ≤3.5 | ≤2.7 | ≤4.0 | ≤2.6 | ≤3.5 | ≤2.6 | |
| 氯離子(%) CL- | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.05 | |
| 堿當量(%) R2O | - | - | ≤0.06 | ≤0.06 | - | - | - | - | - | - | |
| 安定性 沸煮法 Soundness | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | |
| 細度 80um篩余(%) Fineness:80um residue | - | - | - | - | - | - | ≤10 | ≤3.0 | ≤10 | ≤4.0 | |
| 比表面積(m2/kg) Blaine final | ≥300 | ≥350 | ≥300 | ≥350 | ≥300 | ≥350 | - | - | - | - | |
| 凝結時間 Setting Time | 初凝(min) initial Setting Time | ≥45 | ≥90 | ≥45 | ≥90 | ≥45 | ≥90 | ≥45 | ≥120 | ≥45 | ≥120 |
| 終凝(min) Final Setting Time | ≤600 | ≤300 | ≤600 | ≤300 | ≤600 | ≤300 | ≤600 | ≤300 | ≤600 | ≤300 | |
| 抗折強度 Bending Strength | 3天(Mpa) 3d | ≥4.0 | ≥5.0 | ≥4.0 | ≥5.0 | ≥3.5 | ≥4.0 | ≥2.5 | ≥3.5 | ≥2.5 | ≥3.5 |
| 28天(Mpa) 28d | ≥7.0 | ≥7.5 | ≥6.5 | ≥7.5 | ≥6.5 | ≥7.0 | ≥5.5 | ≥6.5 | ≥5.5 | ≥6.5 | |
| 抗壓強度 Compressive Strength | 3天(Mpa) 3d | ≥23.0 | 28.0 | 22.0 | 26.0 | ≥17.0 | 24.0 | ≥10.0 | 18.0 | ≥10.0 | ≥18.0 |
| 28天(Mpa) 28d | ≥52.5 | ≥57.0 | ≥42.5 | ≥47.0 | ≥42.5 | ≥47.0 | ≥32.5 | ≥37.0 | ≥32.5 | ≥37.0 | |