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GLOVE MATERIALS FOR CHEMICAL RESISTANT GLOVES NATURAL RUBBER Natural Rubber - Natural rubber gloves are widely used because of their snag, puncture, abrasion and cut resistance. Due to the elasticity they are very comfortable. The chemical protection is good against bases, alcohols and diluted water solutions of many chemical products. They are also an economical alternative to Nitrile or Neoprene. Natural rubber gloves contain however proteins that may cause allergic reactions, so they are not recommended for everyone. Natural rubber will swell and degrade when coming in contact with various animal fats, oils and solvents. NITRILE Nitrile gloves offer protection against bases, oils, many solvents, esters, greases and animal fats. Nitrile gloves are more resistant to snags, punctures, abrasions and cuts than latex, Neoprene or PVC gloves. Because Nitrile gloves are so versatile, they are ideal for use in laboratories, automotive and aircraft part-handling and assembly, plant cleaning, chemical processing, food processing, petroleum refining, dip tank operations, acid etching, painting, graphic arts, battery manufacturing, degreasing, electronics and pesticide handling. However Nitrile has only fair protection against aromatic solvents. NEOPRENE Neoprene offers protection against many acids, alcohols, oils, grease, animal fats and ketones. The mechanical protection is comparable with Latex. Better resistance to ageing on exposure to sunlight, ozone or weather. Neoprene is not recommended for organic solvents. PVC PVC gloves provide excellent resistance to most fats, oils, acids, caustics and petroleum hydrocarbons. They are resistant to alcohols and glycol ethers but not aromatics, aldehydes and ketones. Because PVC gloves have excellent abrasion resistance, they are ideal for use in petrochemical, construction and industrial applications. Environmental friendly dispose is however not that easy. BUTYL Butyl gloves exhibit the highest permeation resistance to gas or water vapours of any glove available today. Ideal for use in ketones (MEK, MIBK, acetone), esters (tricresyl phosphate, amyl acetate, ethyl acetate) and highly corrosive acids. Not recommended for aromatic and chlorinated solvents. VITON ¤ Viton gloves are made specifically for handling chlorinated and aromatic solvents. They exhibit a high degree of impermeability to these solvents and can be used in or around water and water-based solutions. Viton also has superior resistance to PCBs. They are used for applications in the automotive and chemical industries as well as aircraft maintenance and degreasing operations. FIVE LAYER PE AND EVOH LAMINATE (SILVER SHIELD ¤ /4H ¤ ) Silver Shield/4H gloves and accessories resist permeation and breakthrough against the widest range of toxic chemicals. They are ideal against aromatics, esters, ketones and chlorines and especially multi-component liquids Silver Shield/4H gloves are an excellent choice for chemical and petrochemical industry, laboratories, spill cleanups, hazmat control operations and especially emergency situations in possible contact with unknown chemicals. The mechanical resistance of the laminate is however very limited. 4
HOW TO SELECT? HOW TO DETERMINE THE MOST SUITABLE GLOVE The most difficult part dealing with gloves is the way to find the best suitable glove for the user for a specific application, as the variety is so big. In order to assist you the following points are important: WHAT KIND OF APPLICATION IS THE GLOVE MEANT FOR AND WHAT KIND OF PROTECTION IS REQUIRED 1. mechanical resistance 2. chemical resistance 3 unusual temperatures like heat or cold resistance 4. product protection 1. GENERAL PURPOSE GLOVES AGAINST MECHANICAL RISKS What type of mechanical resistance is needed? ¥ Abrasion level 1-4 ¥ Cut level 1-5 ¥ Tear level 1-4 ¥ Puncture level 1-4 The level that the glove achieved during the CE test for mechanical resistance can be seen in the four numbers below the pictogram The higher the number, the better the protection. What are the factors are to be taken into account like: - dexterity, -comfort, -grip, -work efficiency, - temperatures and other influencing factors to protect the worker and get his acceptance? The best combination of all factors involved is normally the most suitable glove for the application. 2. CHEMICAL PROTECTION Only liquid proof gloves with the pictogram according to EN 374 can offer chemical resistance. Due to the fact that no glove exists which offers protection to all chemicals and also minimizes other risks, the most suitable glove has to be choosen for each chemical and application. The following questions have to be answered: ¥ What types of chemicals are used in the application and which is the best glove material to protect against it? Without knowing the chemical no recommendation is possible. ¥ What is the percentage? ¥ How long is the person in contact with the chemical? ¥ Are other factors involved that might reduce the performance of the glove, like heat, cold, mechanical risk, or other environmental influences? ¥ If mechanical risk is also involved, a supported glove is recommended. ¥ What length and thickness is required? ¥ Should the glove be flock lined? ¥ Is the colour important to possibly differentiate different departments? 3. PROTECTION AGAINST TEMPERATURES ¥ If hot or cold temperatures are involved, against what kind of temperature does the gloves have to protect? ¥ Is there direct contact to the heat, or is the glove used in a hot or cold environment only? ¥ If it is direct contact, how long is the contact time? ¥ What other factors are important e.g. grip, sensitivity, liquid proof needed? 4. PRODUCT PROTECTION/DISPOSABLE GLOVES ¥ What type of product has to be protected, food, electronics, computer parts? ¥ What is the best possible material for the user, the product and for the environment? Vinyl Good resistance against greases and some light chemicals, however not to be used in fatty food. Environmental unfriendly. Latex Very flexible, good elongation easy disposal however bears the risk of allergy. Nitrile In general the best material for disposable gloves, best protection, comfort and user acceptance, but also more expensive than the other materials. ¥ Should it be powdered or powder free? In most of the cases no powder is the better option. ¥ How clean does the glove have to be? ¥ Which legal requirements have to be taken into account e.g. for medical applications? Once these questions are answered, the most suitable glove can be selected. Please note that all recommendations in the chemical resistance chart are based on tests in laboratories only and should be used as a guide only. North cannot give any guarantee as environmental conditions vary. We recommend separate tests under working conditions to avoid possible injuries. 5
Page 1 and 2: Hand Protection
Page 3: P ROTECTION Research and Developmen
Page 7 and 8: INDEX APPLICATION PAGE GENERAL PURP
Page 9 and 10: SEAMLESS KNITTED AND COATED GLOVES
Page 11 and 12: CUT RESISTANT GLOVES & SLEEVES NORT
Page 13 and 14: DIPPED GLOVES ON A CUT AND SEWN LIN
Page 15 and 16: APPLICATIONS CROSS GRIP 113X GRIP N
Page 17 and 18: UNSUPPORTED GLOVES FOR LIGHT CHEMIC
Page 19 and 20: SUPPORTED GLOVES NEW NITRI KNIT PLU
Page 21 and 22: SPECIAL CHEMICAL PROTECTION BUTYL /
Page 23 and 24: DISPOSABLE GLOVES P-GLOVE High sens
Page 25 and 26: COLD APPLICATIONS COLD GRIP 2232 X2
Page 27 and 28: HOT APPLICATIONS STRONGOTHERM TERRY
Page 29 and 30: FINGER COTS NATURAL RUBBER STATIC D
Page 31 and 32: NITRIL DRYBOX GLOVES NITRILE DRYBOX
Page 33 and 34: HYPALON ¤ /NEOPRENE DRYBOX GLOVES
Page 35 and 36: LEAD LOADED HYPALON ¤ /NEOPRENE DR
Page 37: HYPALON ¤ DRYBOX GLOVES AND SLEEVE
Page 42: PLEASE CONTACT YOUR LOCAL BRANCH AB

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