About the EN388: 2016 test and procedure:
- The EN 388:2016 standard uses a new type of abrasive paper compared to the EN 388:2003 standard. Due to this change, some abrasion levels of protective gloves may change when tested to the new standard
- Designed to keep pace with the development of cut-resistant fibres, EN 388:2016 addresses flaws in the EN 388:2003 cut test methodology
- A new addition to the EN 388:2016 standard is an optional test to measure the impact protection of a glove that claims to have impact-resistant properties
Cut Resistance Testing
1. Existing Method - (Coup method)
Under the EN 388 glove standard, introduced in 2003, cut resistance is measured with a Coup test machine. A section of fabric is placed in a holder and a rotating circular blade is moved back and forth at a constant speed, pressing down with a force of 5 Newtons. When the blade cuts through, a performance rating from 1 to 5 is calculated from the total distance of travel. The blade gradually loses sharpness, so at the start and finish it is calibrated using cotton fabric. Therefore, the result can be less accurate for gloves with a higher cut-resistance. This test method remains in the 2016 version but is only to be used for materials that do not affect the sharpness of the blade.
2. New Method - EN ISO 13997 (TDM method)
TDM is an abbreviation for the equipment used to conduct this test, a tomodynamometer. This test involves a straight blade being drawn across the sample in one movement, with a new blade every time. The 'stroke length' before cut-through is recorded for a range of forces and graphs plotted to predict the force required to cut through the glove in 20mm of travel. This force is used to calculate a score from A to F, with F being the highest rating.
Impact verification has been added to EN 388: 2016. The test method is taken from the motor cycle standard EN 13594:2015. The area where the impact protection is claimed to be tested, but due to technical reasons, the area around the fingers cannot be tested.
With impact energy of 5 joules, the transmitted force should be equal to or less than 9kN for a single hit and average should be equal or less than 7kN. If the requirements are fulfilled, the glove will be marked with a P (Pass). If a fail, there will be no marking.
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