EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 196-6 testing. This European standard describes three methods for determining the fineness of cement. The sieving method only serves to show the presence of coarse cement particles. This method is primarily suitable for checking and controlling the production process.
The air-jet sieving method measures the retention during sieving and is suitable for particles that have substantially passed a 2,0 mm test sieve. It can be used to determine the particle size distribution of agglomerates of very fine particles. This method can be used with test sieves of various aperture sizes, for example 63 µm and 90 µm.
The air permeability method (Blaine) measures the specific surface area (mass-related surface area) by comparison with a sample of reference material. Determining the specific surface area primarily serves to check the consistency of the grinding process of the same plant. This method provides only a limited assessment of the properties of the cement used.
The air permeability method may not yield significant results for cements containing very fine materials. The methods are applicable to all cements defined in EN 197.
The fineness of the cement is measured by sifting through standard sieves. The mass ratio of cement with grain sizes larger than the specified mesh size is determined in this way. For the specified sieve control, a reference sample with a known mass fraction of material thicker than the specified sieve size is used.
EUROLAB assists manufacturers with EN 196-6 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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