EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 993-4 testing. This European standard specifies a method for measuring the gas permeability of densely shaped refractory products.
EN 993-4 is a European standard that specifies the method for determining the permeability of densely shaped refractory products to gases. This property is important for understanding how gases flow through refractory materials, which are relevant to various high temperature applications such as furnaces and kilns.
The test method described in EN 993-4 involves measuring the rate at which a gas flows from a test sample of the refractory product. The sample is placed in a test apparatus that applies a controlled pressure difference across the sample, and the gas flow rate through the sample is measured using a gas flowmeter.
The standard specifies the equipment and procedures to be used for testing, including preparation of the test sample, measuring its dimensions, and controlling and measuring the gas flow. The standard also provides guidance on calculating permeability and reporting test results.
Permeability is calculated from the gas flow rate, the pressure difference over the sample, and the dimensions of the test sample. The permeability value is reported in units of darcy (D), which is a measure of the rate at which a gas can flow through a material under certain conditions.
In general, EN 993-4 provides a standard method for determining the gas permeability of densely shaped refractory products, which is important for understanding the behavior of refractory materials in high temperature applications where gas flow is a critical factor.
EUROLAB assists manufacturers with EN 993-4 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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