GB/T 18476-2019 in English

This standard outlines a method for determining the resistance of polyolefin pipes used for fluid transportation to crack propagation. It specifically focuses on the slow crack growth test, commonly referred to as the notch test. The procedure described in this standard is designed to evaluate the performance of materials under specific conditions that simulate long-term exposure to environmental stress. The test method involves subjecting the material to controlled stress and temperature conditions to assess its behavior over time. The standard provides detailed guidance on specimen preparation, testing equipment, and the interpretation of results. It ensures consistency in testing procedures and facilitates the comparison of material performance across different manufacturers and applications.