The ‘low chemical resistant’ or ‘waterproof’ glove pictogram is to be used for those gloves that do not achieve a breakthrough
time of at least 30 minutes against at least three chemicals from the defined list, but which comply with 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 |
