EN ISO 10819:2013
Mechanical vibration and shock – Hand-arm vibration – Measurement and evaluation of the vibration transmissibility of gloves at the palm of the hand.
The standard is designed to measure the vibration transmissibility from a vibrating handle – through a glove – to the palm. The test is performed in one-third octave frequency bands with center frequencies of 25Hz to 1250Hz.
To be referred to as an anti-vibration glove, the following criteria must be met:
TRM value shall not be less or equal to ≤ 0,9 (total vibration transmission between 25 Hz-200Hz)
TRH value shall not be less or equal to ≤ 0.6 (total vibration transmission between 200Hz-1,25kHz)
The thickness of the damping material in the palm shall not exceed a thickness of 8mm. It must also cover the whole palm and the full length of the thumb and fingers.
These demands indicate that the vibrations:
- does not increase in the medium frequency range, TRM
- are reduced by at least 40% in the high frequency range. TRH
Note that these gloves can reduce the health risks related to vibration exposure, like white fingers, but doesn’t eliminate the risks. The gloves reduce the vibrations but only in frequencies over 150Hz.
The vibration dampening properties might also be affected through aging, moisture absorption, temperature and high contact pressure.