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is superior to other grades suitable for extreme tasks. TTK-9 has very high strength and hardness. The extreme strength makes it easy to machine even the most complex super fine detailed electrodes.
TTK-9 the toughest grade used when you can’t accept almost no wear at the electrode.

Surface: [VDI < 14]
Grain size: [<2 µm]
Density: [1.77 g/cm3]
Hardness: [90 Shore]
Color code: [Green]

Maximum block dimension: 100 x 400 x 700 mm

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