To reduce exposure to moisture, coated filler material should be:

Storing coated filler material in a warm holding oven after removal from its packaging is the best choice for reducing exposure to moisture. This method effectively keeps the filler dry, as moisture can adversely affect the properties of the filler material and the integrity of the weld.

When heated in a warm holding oven, the coated filler can maintain a low moisture content, which is essential for ensuring optimal welding performance. Moisture can lead to issues such as porosity in the weld or hydrogen-induced cracking, which weaken the weld joint and compromise strength and durability.

Other storage options, such as keeping filler in a cold environment or exposing it to open air, significantly increase the risk of moisture absorption. Similarly, housing filler in an unsealed container exposes it to moisture from the atmosphere, which can negatively impact its performance. Therefore, utilizing a warm holding oven is the most effective method for preserving the quality and functionality of coated filler materials during storage.