Cope-LLG Catalogue 2018

217 2. Occupational safety, Security Gloves/Chemical protective gloves GENERAL CATALOGUE EDITION 20 E & OE. Code letters of chemicals The code letters of the chemicals against which the glove provides protection constitute part of the marking. The code letters and the corresponding test chemicals and their substance classes are indicated in the table. Code letter Test chemical Substance class A Methanol Primary alcohol B Acetone Ketone C Acetonitrile Nitrile D Dichloromethane Chlorinated paraffin E Carbon disulphide Organic compound containing sulphur F Toluene Aromatic hydrocarbon G Diethylamine Amine H Tetrahydrofuran Heterocyclic or ether compounds I Ethyl acetate Ester J n-Heptane Aliphatic hydrocarbon K Sodium hydroxide, 40% Inorganic base L Sulphuric acid, 96% Inorganic acid It is essential that the manufacturer's information be studied or the manufacturer consulted directly if appropriate with regard to whether the glove affords protection against the agent, and if so, for what duration. Standards for safety gloves EN 374 EN 374 EN 374 EN 388 EN 407 EN 420 EN 421 EN 511 EN 374 Protective hand gloves against chemicals and microorganisms; EN 388 Protective hand gloves against mechanical risks EN 407 Protective hand gloves against thermal risks (heat and/or fire) EN 420 note instructions for use EN 421 Protective hand gloves against ionising radiations and radioactive contamination EN 511 Protective hand gloves against cold Not harmful to food stuffs AQL-Value: acceptable quality level for penetration Explanation of levels EN 388 Test Abrasion resistance (number of cycles) Cut resistance (factor) Tear resistance N Piercing power N 1 100 1.2 10 20 2 500 2.5 25 60 Power stage 3 2000 5 50 100 4 8000 10 75 150 5 - 20 - -