Health and Safety 1111 All prices are indicative and exclude VAT. Visit www.dulis.nl Sources: shieldscientific.fr and ansell.fr GLOVES: Reminder on standards ISO 374-1:2016: Chemical risk assessment - terminology and performance requirements ISO 16523-1:2015 and EN 374-4:2013 OLD STANDARD: EN 374-1:2003 Multi-purpose gloves can also meet other standards, such as for mechanical and thermal protection. The "chemical resistant" pictogram refers to the identification letters of 3 chemicals (from a predefined list of 12 standard chemicals A to L) for which a minimum breakthrough time of 30 minutes (level 2) has been achieved. The pictogram "low chemical resistance" or or "waterproof" should be used for gloves that have not demonstrated a breakthrough time of at least 30 minutes, for at least three of the predefined chemicals, but have passed the penetration test (EN 374-2 level 2). The "mechanical risks" pictogram is accompanied by a 4-digit code, according to EN 388:2003. EN 388:2016 standard introduces two new factors (E and F) to measure the mechanical strength of gloves according to EN ISO 13997. In all cases, 0 indicates the lowest level of performance. The EN 511 standard applies to all gloves that protect the hands against convective and contact cold down to -50 °C. The pictogram "risk by cold" is accompanied by a 3-digit number. The standard EN 407: 2004 defines the requirements and test methods against thermal, heat and/or fire hazards. The pictogram is accompanied by 6 numbers illustrating the level of protection: index from 0 to 4. Permeation test: EN 16523-1:2015 There are 18 chemicals tested (A to T); they are classified according to 3 types of performance levels: -TYPE A: withstand more than 30 minutes (Level 2), 6/18 test chemicals - TYPE B: withstand more than 30 minutes (Level 2), 3/18 test chemicals - TYPE C: withstand more than 10 minutes (Level 1), 1/18 test chemicals The chemical degradation test becomes mandatory (EN 374-4:2013): a needle stick resistance test is performed after prolonged exposure to the chemical substance. The result is expressed in % (the lower the %, the better the glove's resistance) Identi- fication letter Chemical substance CAS number Type A Methanol 67-56-1 Primary alcohol B Acetone 67-64-1 Ketone C Acetonitrile 75-05-8 Nitrile compound D Dichloric methane 75-09-2 Chlorinated paraffin E Carbon sulphide 75-15-0 Sulphide containing an organic compound F Toluene 108-88-3 Aromatic hydrocarbon G Diethylamine 109-89-7 Heterocyclic etheric compound H Tetrahydrofuran 109-99-9 Heterocyclic etheric compound I Ethyl acetate 141-78-6 Ester J n-heptane 142-82-5 Saturated hydrocarbon K Caustic soda 40% 1310-73-2 Inorganic base L Sulphuric acid 96% 7664-93-9 Inorganic mineral acid M Nitric acid 5% 7697-37-2 Inorganic mineral acid, oxidising N Acetic acid 99% 64-19-7 Organic acid O Ammonium hydroxide 25%. 1336-21-6 Organic base P Hydrogen peroxide 30% 7722-84-1 Peroxide S Hydrofluoric acid 40% 7664-39-3 Inorganic mineral acid T Formaldehyde 37% 50-00-0 Aldehyde Observed transit time Protection index 120 minutes Class 4 240 minutes Class 5 480 minutes Class 6 Observed transit time Protection index 10 minutes Class 1 30 minutes Class 2 60 minutes Class 3 Substances tested: Permeability: each of the chemicals tested is ranked according to the breakthrough time (performance levels 0-6). What is a Mechanical protection glove? What is a Thermal protection glove - Cold ? What is a Thermal-Hot protection glove? Level X: the test is not applicable or the glove has not been tested. Level X: the test is not applicable or the glove has not been tested. Level X: the test is not applicable or the glove has not been tested. Tests Performance levels 0 1 2 3 4 5 A. Abrasion resistance (cycles) ‹ 100 100 500 2000 8000 - B. Blade cut resistance (factor) ‹ 1.2 1.2 2.5 5.0 10.0 20.0 C. Tearing resistance (Newton) ‹ 10 10 25 50 75 - D. Puncture resistance (Newton) ‹ 20 20 60 100 150 - Performance levels A B C D E F E. Cut resistance according to ISO standard (Newton) 2 5 10 15 22 30 F. Impact protection according to EN standard Success (P) or failure (no marking) Tests Performance levels 0 1 2 3 4 5 A. Convective cold resistance: cold transfer by convection (thermal insulation in m2, °C/W) ≥ 0.10 ≥ 0.15 ≥ 0.22 ≥ 0.30 - B. Contact cold resistance: thermal resistance when in contact with a cold object (in m2, °C/W) ≥ 0.025 ≥ 0.050 ≥ 0.100 ≥ 0.150 - C. Water permeability after 30 min. exposure Water penetration No water penetration - - - Tests Performance levels 0 1 2 3 4 A. Flammability /fire behaviour resistance: flame persistence time (s.), the time during which the material remains ignited and then continues to burn after the source of ignition has been removed ≤ 20 s ≤ 10 s ≤ 3 s ≤ 2 s B. Contact heat resistance: temperature at which the wearer of the gloves will not feel any pain for a period of at least 15 s. 100 °C 250 °C 350 °C 500 °C C. Convective heat resistance: heat transfer in seconds, time during which the glove is able to delay the heat transfer of a flame ≥ 4 s ≥ 7 s ≥ 10 s ≥ 18 s D. Radiant heat resistance: heat transmission in seconds, the time during which the glove is able to delay heat transfer when exposed to a radiant source ≥ 5 s ≥ 30 s ≥ 90 s ≥ 150 s E. Resistance to small splashes of molten metal: amount of molten metal required to achieve a temperature rise of 40 °C (number of drops) ≥ 5 ≥ 15 ≥ 25 ≥ 35 F. Resistance to large splashes of molten metal: mass (g) of molten metal required to cause a superficial burn ≥ 30 g ≥ 60 g ≥ 120 g ≥ 200 g abcdef A B C
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