
Air Exposure Limits E7018
Air Exposure Limits Ambient Humidity ≤60% : Maximum exposure time = 4 hours. Ambient Humidity >60% : Maximum exposure time = 2 hours (reduce to 1 hour in tropical/rainy conditions). Mark electrodes exceeding these limits for secondary drying; never use them directly in critical welds.
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Air Exposure Limits
Ambient Humidity ≤60%: Maximum exposure time = 4 hours.
Ambient Humidity >60%: Maximum exposure time = 2 hours (reduce to 1 hour in tropical/rainy conditions).
Mark electrodes exceeding these limits for secondary drying; never use them directly in critical welds.
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