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Frequently Asked Questions for Dipped Gloves

1. What are the benefits of a nylon shell glove?

a. Nylon gloves are preferred for many reasons. They provide excellent strength, flexibility, toughness, elasticity, abrasion resistance, washability, and ease of drying.

2. What are the benefits of a poly/cotton shell glove?

a. Poly/cotton shell gloves offer flexibility along with comfort allowing for high dexterity without hand fatigue. The poly/cotton yarn reduces shrinkage allowing the glove to fit correctly longer.

3. What type of coating is the best to use for dry and oil grip applications?

a. Polyurethane and Nitrile offer the best options when you need both dry and oil grip applications. Both polyurethane and nitrile allow flexibility which means an easier grip and dexterity during use. Nitrile has good water permeability that absorbs liquids in just seconds to provide better grip in wet applications.

4. What’s the difference between foam nitrile and sponge nitrile?

a. Foam nitrile is a very thin coating while sponge nitrile is slightly thicker. Both offer a tacky coating and good durability. Less abrasion resistance than flat nitrile coating. Foam and sponge nitrile coating offer excellent grip with dry, wet and oily applications. Both are flexible and porous. Foam nitrile will channel oil and water away from surface quickly (within 10 seconds) and sponge nitrile will also channel oil and water away but will take much longer.

5. Why use flat nitrile vs. polyurethane coating?

a. If you need a glove that has high resistance to abrasion and high resistance to chemicals and solvents, then flat nitrile is the type of glove to use. A flat nitrile coated glove is non-porous, less flexible and not breathable. If you need a glove that has an excellent dry, wet & oil grip with a flexible, breathable coating, then a polyurethane coated glove is the best choice. It is also porous and has high resistance to abrasion.

6. What is a bi-polymer coating?

a. A bi-polymer coating is a nitrile and polyurethane blend. The benefits of a bi-polymer coating is that it is flexible, thin, smooth, light-weight and porous. It has good oil & water grip and offers the best flexibility of all coating types. However, it has a low resistance to abrasion.

7. What are the benefits of a latex coating?

a. Latex coating is the most inexpensive coating type. Some of its strengths are that it offers good flexibility and tensile strength. Tensile strength is the resistance to stretch or deformation of glove over time. Latex is non-porous but offers good elasticity and comfort. On the downside, latex can be sensitive to heat and is not good for oily applications. Can cause allergic reactions to some. Less abrasion resistance than PU and nitrile.

8. What are the benefits of a Kevlar® shell glove?

a. Kevlar® is a good selection of a shell if you are looking for a glove that provides good cut resistance. Kevlar gloves easily reach EN388 cut level 3 but heavyweight products can achieve a cut level 4. Kevlar also offers the addition of heat resistance.

9. What are the benefits of a Dyneema® shell glove?

a. Dyneema® is one of the strongest fibers available in gloves. It offers exceptional protection against cuts and abrasion, as well as being light weight and comfortable. Dyneema yarns can provide cut resistance levels up to 3 or 4 (EN388). Other benefits of a Dyneema shell are that it is chemical resistant to both acid and alkaline chemicals therefore can be laundered many times without adversely affecting its performance and it also has the ability to disperse body heat quickly keeping hands cool and dry. And finally, Dyneema offers high dexterity due to the smoothness of the yarns surface.

10. Why is cut level important?

a. Cut level indicates the cut-resistance which determines how well a glove protects hands from direct contact with sharp edges such as glass, metal or other materials. Cut resistance can increase by increasing the material weight or buy using high-performance materials such as Spectra®, Kevlar® or Dyneema® among others.

11. What fibers or materials are cut resistant?

a. West Chester has cut resistant gloves available in Kevlar®, Dyneema® and Taeki 5™. Each of these cut resistant fibers is available with palm coatings including nitrile, latex and polyurethane.

12. I’ve seen gloves that say they are antibacterial or contain Actifresh®. What is Actifresh®?

a. Actifresh treatment guards against gram positive and gram negative bacteria, fungi and mildew. It prevents the development of bacteria and guards against the development of odors.

13. How long does Actifresh® last on a glove?

a. The Actifresh® treatment withstands repeated washings and is permanent in rubber and plastics.

Frequently Asked Questions for Dipped Gloves cont.

14. What does it mean to be “silicone free”?

a. Silicon compounds are classified as Organic and Inorganic. Organic silicones include compounds called Siloxanes which are oils that can cause problems in metal processing – leaving a “fingerprint”. This causes paint to improperly adhere to metal. Inorganic silicon compounds do not possess this undesirable property so do not have the effects as described above. Our new dipped gloves do not contain the problem-causing Siloxane oils therefore, they are “Silicone Free”.

15. What does DMF-free mean?

a. Dimethylformamide is a common solvent for chemical reactions. DMF has been linked to cancer in humans, and it is thought to cause birth defects. Our new dipped gloves do not contain DMF and therefore are DMF Free.

16. Why does a white foam-like substance come from my nitrile glove when I first get it wet?

a. During the process of manufacturing these gloves, washing them will increase their permeability. If they are not washed and only leached then a salt residue will be present on the surface which will hinder water permeability. With repeated washings, this residue should dissipate and the gloves should become even more permeable.

17. What are the applications where polyurethane coated gloves can be used?

a. Detailed assembly, inspection, light fabrication and small parts handling. Safe for food contact but porous properties will allow bacteria to develop.

18. What are the applications where bi-polymer coated gloves can be used?

a. Automotive, engineering, electronics, maintenance, inspection, packaging. Safe for food contact but porous properties will allow bacteria to develop.

19. What are the applications where flat/non-foam nitrile coated gloves can be used?

a. Automotive, assembly, food packing, furniture manufacturing, electronics, pesticides, oil refining. Safe for food contact.

20. What are the applications where foam/sponge nitrile coated gloves can be used?

a. Automotive, construction, material handling, engineering, assembly, inspection/examination. Safe for food contact but porous properties will allow bacteria to develop.

21. What are the applications where latex coated gloves can be used?

a. Agriculture, material handling, packing, construction, furniture manufacturing, glass handling, bottling operations. Safe for food contact.

22. What is the best covering for chemical resistance?

a. Flat/non-foam nitrile offers the highest resistance to chemicals and solvents compared to other coatings.

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