The EN ISO 11611 standard, developed by the International Standards Organization (ISO), describes the minimum basic safety requirements and test methods for protective clothing such as hoods, aprons, sleeves and socks produced to protect the wearer's body, including helmets and leggings. This standard only applies to hoodies and socks and does not cover requirements for foot, hand, face and eye protection.
Such protective clothing is designed to protect the worker from radiant heat from an electric arc used in welding work and to protect it from small splashes of molten metal and short-term flame contact. It also minimizes the possibility of electric shock through short-term contact with live electrical conductors at voltages up to approximately 100 volts direct current under normal welding conditions.
For adequate overall protection against the risks to which welders are exposed, personal protective equipment contained in other international standards should also be worn. Details on the selection of welder type clothing for different welding activities are given in the annex to the standard.
Garments that fall within the scope of the standard are produced to protect the user against small splashes of molten metal and short-term flame contact, to protect against radiant heat from an electric arc used for welding and connected processes, and to minimize the possibility of short-term electric shock.
Welding workers must wear personal protective equipment covered by other standards for adequate protection against other risks to be exposed. Selection of welder type clothing for different welding activities is given in detail in the annex of the standard.
The criterion of classification as protective clothing for use in welding is limited flame spread. This criterion is tested to analyze how the fabric burns after exposure to a small vertical flame. These tests are based on the EN ISO 15025 standard (former DIN EN 532): This standard meets the following criteria: no sample can continue to burn towards the top or side edges, no sample can form holes larger than 5x5 size, no sample can give off flame or molten debris, flame The average time after it cannot exceed two seconds and the average glow retention time cannot exceed two seconds.
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