This question is repeated question of previous questionnaire of “QUESTION 4”
Please confirm that “hydration agent” is just a “high purity water” or “high purity steam” as you replied and not a specific chemical compound or reactive material.
If it is chemical compound or reactive material, please let me know the name of material/compound.
If you have any material which has same function of hydration for the piping material as high purity water, please let me know the name of material.