Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration - Resonance-curve method (ISO/DIS 6721-3:2020); German and English version prEN ISO 6721-3:2020
Plastics - Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources (ISO 4582:2017)— 25 стр.