Page 192 - PortWest

INTERNATIONAL
HEAT AND STANDARDS

FLAMES EN ISO 11612
HEAT AND FLAME

EN ISO 11612 protective clothing where
there is a need for clothing with limited fl ame
spread properties.

THE TEST
You must pass either A1 or A2 tests AND one
other from B, C, D, E or F

TEST TYPE LEVELS
FR94 A1 or A2 Limited fl ame spread*
B Convective heat 3 levels
C Radiant heat 4 levels
THE RISK D Molten aluminium splash 3 levels
E Molten iron splash 3 levels
Heat exposure can occur through either;
direct contact (conduction), liquids and F Contact heat 3 levels
gas including air (convection) or through
electromagnetic waves (radiation). Optional testing and manikin testing for overall
burn prediction. .
Flame risk is caused from exposure to
the stream of hot, burning gas from *This test must be carried out on fabric and seams
something on fi re (fl ames). Accidental
splattering or spraying of molten metal EN ISO 14116
is also a workplace risk factor.
LIMITED FLAME SPREAD

EN ISO 14116
Protective clothing to protect against occasional
WHO IS AT RISK? and brief contact with small igniting fl ames
Workers in industries including: electrical reducing the possibility of the clothing burning
utilities, petrochemical, transportation road and thereby itself constituting a hazard.
and rail, metalworking, foundries, cement
works and craftspeople. THE TEST
Three different categories for fl ame spread,
Index 1, 2 and 3 as detailed below:
Index REQUIREMENTS
INJURIES No fl ame spread
1 No fl aming debris
Burn injuries can range from mild to severe No afterglow shall spread
and they can even be fatal.
No fl ame spread
No fl aming debris
2
No afterglow shall spread
No hole shall form
No fl ame spread
No fl aming debris
No afterglow shall spread
3
No hole shall form
The afterfl ame must last no longer than
2 seconds

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