Cut & Puncture Resistance Standards

ApplicationHazards Line RepairFrayed cable Wire CuttingUtility knives Pallets, Wings, IronSlivers (wood, metal, nails, burrs) ApplicationHazards

3 Cut Resistance Standard ASTM F Test for Cut Resistance  Weight (grams) needed to cut through material with 25mm of straight-edged blade constant speed ANSI/ISEA Testing Body  Creates testing index for ASTM F cut resistance  Six levels are noted in ISEA/ANSI rating index (0-5) EN 388 EN # # # # European Standard Test Different method than ASTM Yields lower results The 4 #s stand for: Abrasion, Cut, Tear, Puncture

4 Differences In The Standards Level ISEA-ANSI Cut Resistance (g) EN 388 Cut Resistance (g) 0< 200<120 1≥ 200<249 2≥ 500<499 3≥ 1000<999 4≥ 1500<1999 5≥ 3500>2000 US vs European Standards NOTE: Most EN388 Level 5 gloves max out at a ISEA level 3 cut rating.

5 ISEA Cut Resistance Ratings Level 0 < 200 SuperFabric Spectra Dyneema Kevlar Level 1 ≥ 200 Level 4 ≥ 1500 Level 5 ≥ 3500 Level 2 ≥ 500 Level 3 ≥ 1000 Leather Cotto n Synthetic leather

Areas of possible concern for cut resistance: cuts from utility knives wire cables burrs on wings Areas of possible concern for puncture resistance: wire pokes utility knives nails in crates or pallets splinters from crates or pallets metal backing from rubber hoses Where you need cut and puncture protection:

7 Puncture Resistance Ratings SuperFabric Spectra Dyneem a Kevlar Low Puncture Resistance Medium Puncture Resistance High Puncture Resistance Leather Cotto n Synthetic leather

Example: EXPOSED NAILS FROM CRATE SuperFabric lining stopped the nail when leather did not

Halliburton Learning from field trial

Grip Field Test: rough comparison What we found –4020 was optimal for all degrees of saturation with a variety of lubricants, increases performance –Synthetic Leather gloves lose grip immediately after contact with lubricant –As saturation occurs, performance drops off dramatically

GGT5 Grip Advantage: Lubricant Channeling - the gaps between the plates and the rough surface both allow for the oil to be displaced from the surface -the guard plates prevent the formation of a continuous oil film (slippery surface) and allows direct contact between the guard plates and the metal surface - the rough surface of the guard plates and the gaps allow for the oil to be displaced from the top of the surface which allows it to grip the metal - silicon or rubber dots on leather or synthetic surface don’t displace any oil, thin film will remain on surface limiting grip

GGT5 Grip Advantage: Lubricant Channeling