EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 993-18 testing. This European standard specifies a method based on vacuum water absorption for the determination of the bulk density (grain density) of particulate refractory materials with a grain size greater than 2 mm.
EN 993-18 is part of a set of European standards that specify methods for testing densely shaped refractory products. The series covers a wide variety of properties and test methods, including determination of bulk density, apparent porosity, compressive strength, thermal conductivity and more.
The bulk density of a refractory material is defined as the mass per unit volume of the material, excluding any voids. It is an important property as it can affect the thermal and mechanical properties of the material. For example, a material with a low bulk density may have a lower thermal conductivity, but may also be more prone to damage from mechanical stresses.
The vacuum water method is a common technique used to measure the bulk density of particulate materials, including refractory materials. The method involves saturating a known volume of material with water under vacuum, which removes trapped air and provides an accurate measurement of the wetted mass. The bulk density is then calculated by dividing the wetted mass by the volume of the material.
In the refractory industry, bulk density measurements are often used to ensure the consistent quality of products and also to verify compliance with industry standards and specifications. For example, a certain bulk density range may be required for refractory materials used in special applications such as kiln linings or kiln furniture.
Overall, the EN 993-18 standard and the vacuum water method provide a reliable and widely accepted method for determining the bulk density of granular refractory materials, a critical property for many applications in industry.
EUROLAB assists manufacturers with EN 993-18 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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