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Specification ISO EN norm
Boots for professional usage are classified into 3 groups as per:
"O" | ISO EN 20347 |
Specifies working boots for professional uses marked by letter "O". The basic feature of working boots is that boots have no in-built toe puff. | |
The working boots are further divided into the following categories: | |
O | boots comply with basic requirements only |
O1 | antistatic properties, outsole resistant to oils and fuels, energy absorbed in heels |
O2 | same as O1 + water penetration and absorption |
O3 | same as O2 + puncture-proof and tread pattern |
"P" | ISO EN 20346 |
Specifies protective boots for professional uses marked by letter "P". The basic feature of protective boots is an in-built toe puff with standing 100 J impacts. | |
The protective boots are further divided into the following categories: | |
PB | boots comply with basic requirements only |
P1 | antistatic properties, outsole resistant to oils and fuels, energy absorbed in heels |
P2 | same as P1 + water penetration and absorption |
P3 | same as P2 + puncture-proof and tread pattern |
"S" | ISO EN 20345 |
Specifies safety boots for professional uses marked by letter "S". The basic feature of safety boots is a in-built toe puff withstanding 200 J impacts. | |
The safety boots are further divided into the following categories: | |
SB | boots comply with basic requirements only |
S1 | antistatic properties, outsole resistant to oils and fuels, energy absorbed in heels |
S2 | same as S1 + water penetration and absorption |
S3 | same as S2 + puncture-proof and tread pattern |
S4 | same as S2 for boots solely made of rubber (vulcanised) or polymers (injected) |
S5 | same as S3 for boots solely made of rubber (vulcanised) or polymers (injected) |
The required values the boots for professional uses must comply with are specified in the standard CSN ISO EN 20344.
Symbols of additional and special requirements being used in footwear specification:
A | Antistatic footwear |
E | Energy absorption in heels |
P | Puncture resistant |
CI | Cold resistant |
HI | Heat resistant on bottoms |
FO | Boots resistant to oils and fuels |
HRO | Outsoles resistant to contact heat up to 300°C |
WRU | Water penetration and absorption |
EN20381/3 | Power saw-cut resistant |
SRA | Antislip resistance of sole |
SRC | Antislip resistance of sole |
WR | Water resistance |
F | Fire protection footwear |
FP | Fire protection footwear, penetration resistance |
FA | Fire protection footwear, antistatic |
FPA | Fire protection footwear, penetration resistance, antistatic |
CR | Protection against cutting the shoe upper |
M | Instep protection against impact |