Multiball hard differential rollers by diameters from 40 to 300 mm for dimension-finishing of openings of machine components by pressure. Technical requirements
Common test methods for insulating and sheathing materials of electric and optical cables. Part 4-2. Methods specific to polyethylene and polypropylene compounds. Tensile strength and elongation at break after conditioning at elevated temperature. Wrapping test after conditioning at elevated temperature. Wrapping test after thermal ageing in air. Measurement of mass increase. Long-term stability t