When sourcing or selling industrial nitrile gloves on Alibaba.com, understanding EN388 certification is essential for communicating product value to global B2B buyers. The EN388:2016 standard is the European benchmark for protective gloves against mechanical risks, and the 4X43 rating represents a specific combination of protection levels that buyers actively search for.
EN388 4X43 Rating Breakdown: What Each Position Represents
| Position | Test Type | Rating in 4X43 | Performance Level | Test Method |
|---|---|---|---|---|
| 1st Digit | Abrasion Resistance | 4 | Maximum (8000+ cycles) | Sandpaper abrasion test under pressure |
| 2nd Digit | Blade Cut (Coupe Test) | X | Not Performed | Blade dulls on hard materials like nitrile coating |
| 3rd Digit | Tear Resistance | 4 | Maximum (75 Newtons) | Force required to propagate existing tear |
| 4th Digit | Puncture Resistance | 3 | High (100 Newtons) | Force required to pierce with standard stylus |
| Optional 5th | TDM Cut (ISO 13997) | F | Maximum (≥30N) | Alternative cut test when Coupe test invalid |
Why the 'X' Rating Matters: Many buyers new to EN388 standards misunderstand the 'X' as indicating poor cut protection. In reality, it simply means the traditional Coupe test couldn't be performed because the glove material (often nitrile-coated with hard particles) would damage the test blade. The actual cut resistance is measured using the ISO 13997 TDM-100 test, where level F represents the highest protection at ≥30 Newtons of force [3][5].
The EN 388 standard uses a six-digit code to communicate glove performance. When you see 'X' in the cut position, it means the material was too hard for the blade test—not that it lacks cut protection. Always check for the TDM rating (A-F) for accurate cut resistance information [3].
For suppliers selling on Alibaba.com, clearly explaining this distinction in product listings can significantly reduce buyer confusion and increase conversion rates. Many Southeast Asian manufacturers already produce gloves meeting these standards but fail to communicate the technical details effectively to international buyers.

