BS ISO 18553-2002 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds - AMD 17424: October 31, 2007

BS ISO 18550-2016 Fine ceramics (advanced ceramics, advanced technical ceramics) — Testing method for macro-heterogeneity in microstructure BS ISO 18549-2-2009 Metallic powders - Determination of apparent density and flow rate at elevated temperatures Part 2: Determination of flow rate at elevated temperatures BS ISO 18549-1-2009 Metallic powders - Determination of apparent density and flow rate at elevated temperatures Part 1: Determination of apparent density at elevated temperatures BS ISO 18554-2016 Surface chemical analysis — Electron spectroscopies — Procedures for identifying, estimating and correcting for unintended degradation by Xrays in a material undergoing analysis by X-ray photoelectron spectroscopy ISO 18555-2016 Metallic and other inorganic coatings - Determination of thermal conductivity of thermal barrier coatings BS ISO 18558-2015 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for determining elastic modulus and bending strength of ceramic tube and rings