Clay blocks for concrete ribbed floor systems; German version FprEN 17193:2020

Environmental testing - Part 2-17: Tests - Test Q: Sealing (IEC 60068-2-17:2023); German version EN IEC 60068-2-17:2023

Optical fibre cables - Part 1-218: Generic specification - Basic optical cable test procedures - Environmental test methods - Mid-span temperature cycling test for exposed optical units, Method F18 (IEC 86A/2370/CDV:2023); German and English version prEN IEC 60794-1-218:2023

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-7: Examinations and measurements - Wavelength dependence of attenuation and return loss of single mode components

Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pycnometer method and titration method (ISO/DIS 1183-1:2024); German and English version prEN ISO 1183-1:2024

Sintered metal materials, excluding hardmetals - Permeable sintered metal materials - Determination of density, oil content and open porosity (ISO/DIS 2738:2024); German and English version prEN ISO 2738:2024

Polymeric materials, cellular flexible - Determination of stress-strain characteristics in compression - Part 1: Low-density materials (ISO/DIS 3386-1:2024); German and English version prEN ISO 3386-1:2024

Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method - Amendment 1

Metallic powders - Determination of tap density

Plastics - Smoke generation - Determination of optical density by a single-chamber test (ISO/DIS 5659:2024); German and English version prEN ISO 5659:2024