“盾石”、“江城”牌水泥实物质量
说明:冀东水泥吉林公司自成立之日起,就把产品质量视为企业的生命,在严格执行国家标准的基础上,不断优化企业内控质量指标,并按此组织生产和检验。下表就是2003年以来“盾石”、“江城”牌水泥实物质量和国家标准的对照。
|
标
准→ |
中国GB175-1999标准 |
中国GB1344-1999标准 |
中国GB12958-1999标准 |
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|
普通(P.O)42.5R |
普通(P.O)42.5 |
普通(P.O)32.5R |
普通(P.O)32.5 |
矿渣(P.S)32.5 |
复合(P.C)32.5 |
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|
标准 |
内控指标 |
标准 |
内控指标 |
标准 |
内控指标 |
标准 |
内控指标 |
标准 |
内控指标 |
标准 |
内控指标 |
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|
氧化镁(MgO)% |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
≤5.0 | ≤3.0 | ≤5.0 | ≤3.0 | |
|
三氧化硫(SO3)% |
≤3.5 |
≤3.0 |
≤3.5 |
≤2.60 |
≤3.5 |
≤2.60 |
≤3.5 |
≤2.40 |
≤4.0 | ≤2.20 | ≤3.5 | ≤2.20 | |
|
烧失量(Loss)% |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
≤5.0 |
≤3.0 |
— | — | — | — | |
|
细度(80um)% |
≤10.0 |
≤4.0 |
≤10.0 | ≤4.0 |
≤10.0 |
≤4.0 | ≤10.0 | ≤4.0 | ≤10.0 | ≤4.0 | ≤10.0 | ≤4.2 | |
|
安定性(mm) |
≤5.0 |
≤4.0 |
≤5.0 | ≤4.0 |
≤5.0 |
≤4.0 | ≤5.0 | ≤4.0 | ≤5.0 | ≤4.0 | ≤5.0 | ≤4.0 | |
| 凝结时间 (h:m) |
初凝 |
≥0:45 | ≥1:00 | ≥0:45 | ≥1:00 | ≥0:45 | ≥1:00 | ≥0:45 | ≥1:00 | ≥0:45 | ≥1:00 | ≥0:45 | ≥1:00 |
|
终凝 |
≤10:00 | ≤4:30 | ≤10:00 | ≤4:30 | ≤10:00 | ≤4:30 | ≤10:00 | ≤4:30 | ≤10:00 | ≤4:30 | ≤10:00 | ≤4:30 | |
| 抗压强度 (MPa) |
3天 |
≥21.0 | ≥25.0 | ≥16.0 | ≥22.0 | ≥16.0 | ≥20.0 | ≥11.0 | ≥19.0 | ≥10.0 | ≥16.0 | ≥11.0 | ≥16.0 |
|
28天 |
≥42.5 | ≥53.0 | ≥42.5 | ≥51.0 | ≥32.5 | ≥44.0 | ≥32.5 | ≥44.0 | ≥32.5 | ≥41.0 | ≥32.5 | ≥42.0 | |
| 抗折强度 (MPa) |
3天 |
≥4.0 | ≥4.5 | ≥3.5 | ≥4.0 | ≥3.5 | ≥4.0 | ≥2.5 | ≥3.5 | ≥2.5 | ≥3.0 | ≥2.5 | ≥3.0 |
|
28天 |
≥6.5 | ≥7.5 | ≥6.5 | ≥7.5 | ≥6.5 | ≥7.0 | ≥5.5 | ≥7.0 | ≥5.5 | ≥6.5 | ≥5.5 | ≥7.0 | |