Controlled droplets
Measures heat transfer through material exposed to small molten-metal droplets.
Number of drops to a 40 K sensor rise, equivalent to a rise of 40 °C.
EN ISO 9150
Small molten-metal splash testing
Requirements & test methods
ISO 9150 evaluates protective-clothing materials exposed to small molten-metal droplets, as encountered in welding spatter.
ISO 11611
Uses the drop count and resistance to ignition to classify welding clothing.
Class 1 or Class 2.
| ISO 11611 class | Minimum count to a 40 K rise |
|---|---|
| Class 1 | 15 drops |
| Class 2 | 25 drops |
Where the standard is used
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