ISO standards download ISO 19447:2021 pdf download – Passenger car tyres — Method for measuring ice grip performance — Loaded new tyres ISO 19447:2021 pdf download - Passenger car tyres — Method for measuring ice grip performance — Loaded new tyres. 4.4 Tyre preparation 4.4.1 General Fit each test tyre on an approved rim in accordance with ISO 4000-1... 02-14 Download Now