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MERCANTA waterproof, and impermeable to radioactive particles. Wearing comfort can be improved by wearing partially covered gloves, but this means less grip. CAUTION: ➤ Plastic gloves will lose their pliability in a cold environment ➤ Plastic gloves must not be used for works involving temperatures of more than 80° C Plastic gloves are made of the following materials: PVC, Neoprene, Nitrile, Polyamide, Polyurethane, Vinyl, etc. Most common in today’s industry are: ➤ Synthetic Rubber (Neoprene): Provides excellent cut, slash, snag, puncture and abrasion resistance while offering superior dexterity and grip in applications such as automotive assembly, parts assembly, parts handling, automotive repair and oil refineries. ➤ Foam Coated Nitrile: Air infused nitrile coating absorbs oils better than flat coating. Provides excellent grip in oily or greasy applications while maintaining the cut, tear and abrasion resistance of a smooth nitrile coating. Well suited to light assembly applications in automotive industry, plastics, textile and finished goods industry as well as to the needs of logistics and warehousing. ➤ PVC Inexpensive and suitable for a large variety of applications in all kinds of industry, PVC has widely been recognised as the material for gloves that covers almost every requirement to protect a worker’s hands. In general handling, PVC is flexible, offers good sensitivity, good dry grip and resistance against cuts and punctures. In chemical industry PVC is used to protect against concentrated acids, alkalis, oils and greases but to a lesser extent than nitrile gloves. ➤ Nitrile: Nitrile is a synthetic rubber that resists snags while providing flexibility and dexterity. It resists most chemicals, specially petroleum, acids and solvents. Nitrile may be furnished as disposable or fully dipped gloves and is the premier choice for chemical resistant gloves. ➤ Vinyl: Vinyl is suitable for people with latex allergies. It provides resistance to oils and diluted chemicals. Vinyl offers great dexterity and is mainly used for disposable gloves with thin gauges. Materials intended to get into contact with food underlie special standards like the European Directive 89/109/EEC, which applies for gloves used in the food industry. Materials as such must not modify the organoleptic properties of the food (i.e. colour, taste, smell) and all substances and additives used in the glove must be authorised by the directive. Such kind of gloves also must be marked accordingly. 4.0 Hand Protection Made of Textile Fabrics Main Applications Dry works, cutting operations, precision mechanics. Woven or knitted textile gloves are made of cotton either with or without synthetic fibres. Knitted textile gloves offer more flexibility than woven textile gloves. All styles offer high wearing comfort because of their air-permeability and high dexterity but they are only suitable for dry works. They also have good insulating characteristics for applications in cold and hot environments. The tighter the texture knits are the better they will protect against cuts. Therefore they are also used when working with glass and other fragile and sharpedged materials, like sheet metal. Cotton in connection with synthetic fibres offers better cut resistance. Cotton gloves are also available with plastic, rubber, or leather covering. 5.0 Hand Protection Made of Synthetic Fibres Main Applications Cutting, grinding operations, operations with high radiation and contact heat, applications involving high vibrations. The synthetic fibre Kevlar combines the wearing comfort of textile fabrics with an improved heat and spark resistance. It is air-permeable and offers high cutting and abrasion resistance. Kevlar gloves and mittens are very light and more comfortable to wear than other heat resistant materials, e.g. aluminised glass fibre, and can therefore be used all day. As they are absolutely fireproof they are suitable for dealing with metals and hot materials, as well as for grinding, chipping, abrasive cutting and similar activities. Whenever high dexterity is required Kevlar is blended with carbon fibres (Carbon- Kevlar). Kevlar is heat resistant up to 300° C. For even better heat resistance, the surface of the gloves can be aluminised. Kevlar also cushions shocks better than comparable materials and is therefore used for anti- vibrations gloves. 71

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