G: Grit
What G tests
G tests mechanism tolerance: whether moving parts keep working with debris inside them.
Threat: coarse particles jamming or grinding moving parts.
Medium
The G medium is defined in Test Media.
Full dose
| Symbol | Value |
|---|---|
| F | 100 g per 100 cm² of exposure area |
Scale, procedure and grading
G uses the shared scale, dose formula, procedure and grading in D and G: Particulate Testing.