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UNE-CLC/TS 61482-1-2 Electric Arc Protective clothing against the thermal hazards of an electric arc.  A constrained electric arc is used between two Cu and Al electrodes with a 4kA or 7kA potential and a 400V voltage. As a consequence, high temperatures and molten metal splashes are formed. In this test an electric arc is created and the quantity of heat transfer through a fabric is measured. These results are compared with the Stoll curve which quantifies the limit values of the temperature in function of time before a second degree skin burn injury occurs.
Other parameters are also evaluated:  No after flame shall occur or the after flame time should not exceed 5 seconds after applying the electric arc. The holes formed should not be larger than 5 mm (measured in every direction). Maintenance and good performance of all the accessories of the manufactured garment (buttons, zips, etc.).
The classification of the fabric is given as follows:
<< This pictogram applies for the garments which comply with this standard. |
EN11612 Heat and Flame