Performance requirements for protective clothing for firemen
The EN 469:2005 standard offers performance requirements for protective clothing for firemen. It demands high performances, which are verified in 20 tests. Essentially, the standard determines 4 key values: Xf (flame), Xr (radiation), Y (waterproofness) and Z (breathability).
The EN ISO 9151 test method (flame test) involves heat transmission (flame) with a heat flux of 80 kW/m2.
Xf2 Xf1 HTI Heat Transfer Index Level 2 Level 1 HTI24 ≥ 13s ≥ 9s HTI24 - HTI12 ≥ 4s ≥ 3sLevel 1 is the lowest level; level 2 is the highest level.More about the test method EN ISO 9151
Radiant heat (Xr1 or Xr2)
The transmission of heat (radiation) is tested in the EN 6942 test method. There is a heat flux of 40kW/m2.
Xr2 Xr1 RHTI Radiation HTI Level 2 Level 1 RHTI 24 ≥ 18s ≥ 10s RHTI 24 - RHTI 12 ≥ 4s ≥ 3sJust as for the previous test, level 1 is the lowest level, while level 2 is the highest one.More about the test method EN ISO 6942
Water tightness (Y1 or Y2)
Waterproofness test EN 20811
Y1: garments without membrane ; Y2: garments with membraneMore about the test method EN 20811
- Y1 < 20 kPa
- Y2 ≥ 20 kPa
Breathability (Z1 or Z2)
Water vapour resistance EN 31092
Level Z1 > 30m² Pa/W.
Z1 indicates a higher water vapour resistance than Z2.
This garment is less breathable.
Level Z2 ≤ 30 m² Pa/W
This garment has a lower water vapour resistance.
It is more breathable.
In addition the B annex of the EN 469 specifies the surface of the stripings (if the risk analysis demands them).
- B.1 The retroreflective material with single characteristic has to be fixed on the outer surface of the protective clothing with a minimum area of 0,13m2 for a circular visibility thanks to circular bands around the arms, the legs and the torso.
- B.2 In the case of the application of fluorescent non-retroreflective material or material with combined characteristics, the surface of the fluorescent material must be at least 0,2 m2.
The EN ISO 20471 standard can also be adopted.