Aerospace series. Non-metallic materials. Expandable film form structural adhesives. Test methods. Part 3: Expansion rate and volatile matter content

This document establishes a specific experimental procedure within the aerospace materials sector, focusing on non-metallic polymers. It addresses the rigorous testing required for adhesive systems utilized in expansion film structures, which are critical for various aerospace applications. The methodology outlined provides detailed protocols to measure two key performance indicators: the rate of expansion and the concentration of volatile substances within the adhesive formulation. Ensuring precise quantification of these parameters is essential for verifying material quality and compliance with sector-specific requirements. The test method involves controlled environmental conditions and standardized measurement techniques to produce reproducible results. By adhering to this procedure, manufacturers and regulatory bodies can assess the suitability of adhesives for their intended use, ensuring they meet necessary safety and performance criteria. The guidelines described facilitate consistent evaluation across different testing laboratories and supply chains, contributing to the overall reliability of aerospace components utilizing these advanced non-metallic materials.