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
Occupational safety standards system. Special clothing. Electrostatic properties. Part 2. Test method for measurement of the electrical resistance through a material (vertical resistance)
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of the amplitude of the ultrasonic displacement and the particle velocity of the surface of the solid bodies
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