Nor279 Impact Ball
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Nor279 Impact ball
Nor279 Impact ball is a product developed for use as an impact source for measurements of impact sound insulation performance – for example of floors in collective housing.
Specifications
- Rubber raw material: Silicon rubber
- Shape: Hollow sphere, diameter 178 ±1 mm, wall thickness 32 mm
- Equivalent mass: 2.5 ±0.1 kg
- Restitution coefficient: 0.8 ±0.1
- Rubber hardness: 40º ±5º
- Impact force characteristics: Impact force waveform (Example)
Standards
- ISO 10140-3:2021
- ISO 10140-5 Annex F:2021
- ISO 16283-2:2020
- JIS A 1418-2
Support
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