In the world of personal protection, there is no shortage of materials that are distinguished by their strength. One of the most recognizable is Kevlar® – the commercial name of the aramid fiber with unique properties. Although many people associate Kevlar with bulletproof vests, it plays an equally important role in the production of working and anti -cut gloves.
What exactly is aramid fiber? What strengths does it have, where does it work best, and where does its restrictions have? Read before you choose gloves for your industry.
What is Kevlar®?
Kevlar® is a registered brand of aramid fiber, developed by Dupont. It is a plastic with very high mechanical strength, thermal resistance and low mass. Kevlar belongs to the group of aromatic polyamides – hence its properties are exceeded by standard synthetic fibers such as nylon or polyester.
Aramid fiber properties (Kevlar®)
| Characteristic | Description |
|---|---|
| Cut resistance | High fiber strength – ideal for anti -cut gloves |
| Temperature resistance | Withstands up to 400 ° C, does not melt or smoke |
| Retaining and abrasion resistance | Durable, strong fiber – resistant to wear |
| Low mass | Light material, does not burden the user’s hands |
| Flexibility | It arranges well on the hand, provides comfort |
Thanks to these properties, Kevlar is used, among others In: metal industry, metallurgy, welding, automotive industry, logistics with the risk of intersection and contact with heat.
Kevlar restrictions – what you need to know
Despite great parameters, Kevlar® is not always the best choice. Here are its restrictions:
| Limit | Description |
|---|---|
| Sensitivity to UV radiation | Long-term sun exposure weakens the fiber |
| Low chemical resistance | Does not work with contact with oils, acids, solvents |
| It absorbs moisture | Unlike HPPE, it loses its properties in the wet environment |
| Price | Higher than in the case of other fibers (e.g. HPPE, polyester) |
| Stiffer than microfibers | Less comfort with long use or precise work |
Kevlar® with working gloves – when is it worth it?
Kevlar is usually used in gloves:
- as the main material of knitwear,
- as an internal layer (e.g. to protect against intersection),
- As an additional reinforcement in combination with other materials (leather, HPPE, glass fiber).
It works perfectly in situations where there is a simultaneous risk of cutting and high temperature, working with hot, sharp or rough elements, you need gloves with fire and mechanical resistance.
Kevlar® or HPPE? Short comparison
| Characteristic | Kevlar® | HPPE (High Performance Polyethylene) |
|---|---|---|
| Cut resistance | Very good | Very good |
| Temperature resistance | Up to 400 °C | Low (melts at approx. 150 ° C) |
| Comfort and flexibility | Average | Very good |
| Resistance to chemicals | Weak | Very good |
| Price | Higher | Lower |
- So if the main threat is heat + cut → Bet on Kevlar®
- If in turn you work in a humid environment, with oils or coolant → HPPE will be better
Summary – when to choose gloves with Kevlar
- When there is a risk of cutting and high temperature at the same time
- In a dry, industrial or workshop environment
- When you need mechanical strength and abrasion resistance
- For specialized applications – cutting metal, glass, heat treatment
Kevlar gloves in our offer:
RS Jumbo – https://rs-schutz.com/en/products/rs-metallindustrie/rs-jumbo-2/
RS Split KEV – https://rs-schutz.com/en/products/rs-metallindustrie/rs-split-kev/
RS Comfort Premium – https://rs-schutz.com/en/products/rs-metallindustrie/rs-comfort-premium/