The ‘micro-organism’ pictogram is to be used when the glove conforms to at least a performance level 2 for the penetration test.
Measured breakthrough time | Protection index |
| >10 minutes | Class 1 |
| >60 minutes | Class 2 |
| >30 minutes | Class 3 |
| >120 minutes | Class 4 |
| >240 minutes | Class 5 |
| >480 minutes | Class 6 |