Page 6 of Hard Materials by Rado
10 000 9 000 8 000 7 000 vickers hardness scale we focus on the future we use hardmetal high-tech ceramics and high-tech diamond the durability and extreme hardness of these materials guarantee timeless beauty and brilliance the vickers scale is used to indicate hardness the higher a value the greater the resistance to scratches our materials commence at vickers 1,200 far higher than gold steel or platinum the top value of 10,000 is attributed only to natural diamonds and to the rado high-tech diamond surface 6 000 5 000 4 000 3 000 2 000 1 000 500 100 high-tech high-tech high-tech high-tech high-tech ceramics hardmetal sapphire lanthanum diamond crystal perspex aluminium gold platinum steel titanium mineral crystal diamond rado high-tech materials traditional watch materials
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