- The gloves themselves should not impose a risk or cause injury - The pH of the gloves should be as close as possible to neutral - Leather gloves should have a pH value between 3.5 - 9.5 - The highest permitted value for chromium is 3 mg/kg (Chrome VI) - Specific details of any substance used in the glove which is known to cause allergies must be listed - Sized by reference to an agreed common European hand size, for example, minimum length - AZO colourants which release carcinogenic chemials should not be detectable in any glove EN ISO 21420: 2020 GENERAL REQUIREMENTS FOR GLOVES This standard defines the general requirements for all protective gloves in terms of construction, fitness of purpose, safety, etc. This code is a conventional designation of hand size corresponding to the hand circumference expressed in inches. Size Chart for EN ISO 21420: 2020 Hand Size* Hand Cirfumference (mm) Hand Length (mm) 257
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