EN 12118:1997 defines a precise method for measuring moisture content in thermoplastics used in plastic piping systems. It uses coulometry, a highly sensitive technique capable of detecting very low moisture levels (down to 0.005%). This standard applies to materials with melting points below 160 °C, ensuring accurate analysis of both surface and internal moisture.
EN 12118:1997 is a European standard that specifies a method for determining the moisture content in thermoplastics used in plastic piping systems. The method is based on coulometry, a highly sensitive technique capable of detecting moisture levels as low as 0.005%. This standard applies to thermoplastics with a melting temperature below 160 degrees Celsius, making it ideal for analyzing common plastic materials in the pipe manufacturing and quality assurance sectors.
EN 12118:1997 includes detailed instructions on sample preparation, equipment requirements, testing conditions, and how to report results. It helps ensure consistency and reliability in moisture determination, making it a valuable tool in maintaining product quality across the plastics industry. This standard supports compliance with broader performance and durability requirements for thermoplastic piping systems in both residential and industrial environments.
The testing procedure outlined in EN 12118:1997 involves melting a sample of the plastic and measuring the moisture released using coulometric titration. This process ensures that both surface moisture and moisture within the polymer matrix are accurately captured. By using this method, manufacturers and testing laboratories can assess the quality and stability of plastic piping materials before they are used in applications where moisture can negatively affect performance, such as in plumbing or industrial fluid transport systems.
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