DIN EN 196-6-2010 水泥试验用方法.第6部分:研磨细度的测定

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标准号:DIN EN 196-6-2010
中文标准名称:水泥试验用方法.第6部分:研磨细度的测定
英文标准名称:Methods of testing cement - Part 6: Determination of fineness; German version EN 196-6:2010
标准类型:Q11
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:Q11
国际标准分类号:91.100.10
引用标准:EN 197-1;ISO 383-1976;ISO 565;ISO 3310-1;ISO 4803
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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