EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 772-19 testing. This European Standard specifies an accelerated method for the determination of moisture expansion of large clay units with horizontal holes of one dimension greater than or equal to 400 mm and crustal thicknesses less than 12 mm.
EN 772-19 is a European Standard that specifies a test method for determining the moisture expansion of clay masonry units with large horizontal holes. This standard is part of a larger series of standards that outlines test methods for wall units.
Moisture expansion in masonry units can cause the unit to expand when water is absorbed into the clay material. This can lead to cracking or other forms of damage if expansion is significant. The test procedure outlined in EN 772-19 is designed to determine the degree of moisture expansion in clay wall units with large horizontal holes.
The testing procedure involves subjecting the wall unit to a series of water immersion and drying cycles in a controlled environment. The unit is first weighed and then immersed in water for a certain period of time. It is then removed from the water, allowed to drain and weighed again. This process is repeated several times with the number of cycles specified in the standard. After the last cycle the unit is left to dry completely before being weighed again.
The weight difference between the dry unit and the unit after the last cycle is used to calculate the degree of moisture expansion. Adherence to this standard is essential to ensure that clay masonry units with large horizontal holes meet the quality standards required for construction projects. By ensuring that masonry units have a low degree of moisture expansion, builders can ensure that units are not subject to cracking or other forms of damage from water absorption.
EUROLAB assists manufacturers with EN 772-19 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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