Pen Points have to meet very high requirements. They must be hard, i.e. wear-resistant and tough, and capable of being perfectly welded to both gold and steel nibs, and must have excellent polishing properties as well as being free from porosity and resistant to inks.
- usage: tipping of fountain pen nibs
- alloy: complex tungsten / ruthenium basis alloy
- availability: diameter: 0.60 up to 1.60 mm, tolerance: +/-0.05 mm
- specific weight: approx. 15,9 g / cm³
- production: molten alloy
- supplied in: near spherical form
- weldability: good with steel, fair with gold
- hardness: approx. HV 1000 - 1100
- ink-resistance: resistant against all commonly used inks
- longevity: factor 30
- does not contain any: arsenic, cadmium, hexavalent chromium, mercury, antimony, lead, barium or any soluble compound of these materials