EN 1871 (Wilhelmi test)
Ring and ball device
For determining the softening point of casting compounds
consisting of:
- Wilhelmi test mission
- Two-part test ring with bayonet lock
- Test ball Wilhelmi ø 15 mm
- Beaker 800 ml, tall form
- Thermometer -2 to + 80°C
- Thermometer +30 to +200 °C