EN 407-2020 pdf download.Protective gloves and other hand protective equipments against thermal risks (heat and/or fire).
melting
liquefaction of the material under the influence of heat
3.13
innermost layer
layer closest to the wearer’s skin
3.14
reinforcement
additional layer which does not cover the full area where the protection is claimed
Note ito entry: Most of the time, this area has a limited surface to preserve comfort and dexterity of the gloves.
4 General requirements
4.1 General
Where protection against other than thermal risk is needed the specific standard shall be used.
The protective gloves according to this document shall meet all the applicable requirements of
EN ISO 2 1420:2020.
When parts of the glove are made from dissimilar materials, these dissimilar materials shall be tested separately, except if another way is specified in the standard. The results of each material shall comply with the requirements given in 4.5.
In those circumstances when the sample size is significantly larger than the particular part of the glove or hands protective equipment being tested, then the manufacturer shall be requested to supply samples of identical material.
4.2 Cleaning
All tests required in this document shall be performed on unused gloves or hand protective equipment unless otherwise specified.
If care instructions are provided, the relevant tests shall be performed on the gloves or hand protective equipment, before and after they have been subjected to the procedure described in the care instruction, including the maximum recommended number of cleaning cycles. The levels of performance and the mechanical strength (4.3) are given by the lowest of the 2 results obtained before and after cleaning.
NOTE Manufacturer’s Instructions typically indicate one or several of the various methods and processes of ISO 6330, ISO 15797 or equivalent as standardized processes for cleaning.
4.3 Mechanical strength
The glove material(s) shall be tested according to 6.8. The tear strength resistance shall have at least avalueof 10 N.
4.4 Sizes and dimensions
4.4.1 Gloves
The gloves shall correspond to the relevant requirements of EN ISO 21420:2020.
If according the intended use, the hand protector needs to be taken off quickly, the protective gloves of performance levels 3 and 4 as specilied in 4.5.2 to 4.5.7 shall be manufactured so that they can easily be removed in case of an emergency. The test shall be performed according to EN 659:2003+A1:2008, 3.15 using the same requirement. This property shall be justified and explained in a warning included in the manufacturer’s information.
The removal test shall be carried out only in the dry state if the manufacturer’s information states that the glove is not intended for use in wet conditions.
If protection against metal splashes as described In 4.5.6 and/or 4.5.7 is claimed, the minimal length of the glove shall correspond to the requirements of Table 1.
4.4.2 Hand protective equipment’s
Hand protective equipment’s against thermal risks shall have a sufficient dimension to fully cover the part of the hand intended to be protected against thermal risk. The property shall be verified by visual inspection.
The manufacturer information shall contain precise information about how to use the hand protective equipment and which part of the hand is protected.
4.5 Thermal performances
4.5.1 General
For each of the following test methods the defined performance level depends upon the intended field of application of the glove or hand protective equipment. Only the tests which are relevant to the risks in the intended end-use application shall be carried out.
For the choice of relevant testing, examples are given in Annex B.
4.5.2 Limited flame spread
Using test method 6.2 the glove and other hand protective equipment, as well as all outer materials shall correspond to the requirements of Table 2. Surface of the innermost layer of the glove shall be inspected, it shall show no sign of melting. No hole shall appear on all layers of the tested area. The seam shall not come apart after the ignition time.
For high thermal resistant gloves (level 3 or 4), all outer materials different to the finger area shall be tested according to EN ISO 15025:2016, method A and comply at least with level 3 of Table 2. Seams and outer accessories with a surface area greater than 10 cm2 shall also be tested.
If the outermost layer melts, the material shall not produce molten or flaming debris.EN 407-2020 pdf download.