Common test methods for insulating and sheathing materials of electric and optical cables. Part 4-1. Methods specific to polyethylene and polypropylene compounds. Resistance to environmental stress cracking. Measurement of the melt flow index. Carbon black and/or mineral filler content measurement in polyethylene by direct combustion. Measurement of carbon black content by thermogravimetric analysis (TGA). Assessment of carbon black dispersion in polyethylene using a microscope
Medical electrical equipment. Part 2-22. Particular requirements for the basic safety and essential performance of surgical, cosmetic, therapeutic and diagnostic laser equipment
Aviation engines and engine components. Industrial cleanliness of critical parts and assemblies of engine hydraulic, lubrication and fuel supply systems. Terms and definitions
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