EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 13900-5 testing. This part of EN 13900 specifies a method for evaluating the degree of dispersion of a colorant in a thermoplastic polymer.
The method is suitable for testing colorants in the form of color concentrates in all polymers used for extrusion and melt spinning processes.
The filter pressure value (FPV) determined according to this method is only valid for the equipment used, conditions and test polymer. Using test conditions other than those specified may yield different results. The method of preparing the color concentrate is not specified in this standard. Therefore, the results obtained for the individual colorants are comparable only when the same preparation method is used for the color concentrates.
The test mixture, consisting of a color concentrate and a basic test polymer, is passed through an extruder equipped with a melt pump and a sieve pack with a crusher plate. A melt pressure transducer is located on the front of the display package. The pressure difference between the initial pressure and the maximum pressure is used to calculate the filter pressure value [FPV].
The filter media is the part of the system that affects the differential pressure, which is used as the baseline data to determine the results of the test. To obtain comparable results, it is important that the filter media be defined in detail and installed exactly to specification.
EUROLAB assists manufacturers with EN 13900-5 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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