Solventless polymerisable resinous compounds used for electrical insulation. Methods of test. Coating powders|Plastics, Insulating coatings, Electrical insulating materials, Thermosetting polymers, Coatings, Plastic coatings, Particulate materials, Pouring tests, Testing conditions, Gelation, Non-volatile matter determination, Specimen preparation, Thickness measurement, High-voltage tests, Scratch tests, Cut-through tests, Erichsen cupping tests, Electrical testing, Electrical resistivity, Tracking tests, Chemical-resistance tests, Solvent-resistance tests, Thermal-shock tests, Test equipment, Screening (sizing), Time measurement, Impact testing, Organic coatings