DIN EN 196-6:2010
水泥试验用方法.第6部分:研磨细度的测定
Methods of testing cement - Part 6: Determination of fineness; German version EN 196-6:2010
2019-03
- 标准号
- DIN EN 196-6:2010
- 发布
- 2010年
- 发布单位
- 德国标准化学会
- 替代标准
- DIN EN 196-6:2019
- 当前最新
- DIN EN 196-6:2019-03
- 引用标准
- EN 197-1 ISO 3310-1 ISO 383:1976 ISO 4803 ISO 565
- 被代替标准
- DIN EN 196-6:1990 DIN EN 196-6:2008
- 适用范围
- This European Standard describes three methods of determining the fineness of cement. The sieving method serves only to demonstrate the presence of coarse cement particles. This method is primarily suited to checking and controlling the production process. The air-jet sieving method measures the retention on sieving and is suitable for particles which substantially pass a 2, 0 mm test sieve. It may be used to determine the particle size distribution of agglomerates of very fine particles. This method may be used with test sieves in a range of aperture sizes, e. g. 63 ?m and 90 ?m. The air permeability method (Blaine) measures the specific surface (mass related surface) by comparison with a reference cement sample. The determination of the specific surface serves primarily to check the consistency of the grinding process of one and the same plant. This method only enables a limited assessment to be made of the properties of the cement in use. NOTE The air permeability method may not give significant results for cements containing ultrafine materials. The methods are applicable to all the cements defined in EN 197.
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