Chemical

Comments
OakiteTM #67 - - - - - - - - - - - A - - - - - - - - - Note 1
Comment 1
OakiteTM #20, 23, 24,
30, 51, 90
- - - A - - - - - - - - - - - - - - - - - -
Oleic Acid 680 372 685 C C C C C X B B C B A B A B - A A A Comment 2
Oxalic Acid - - - X X X B B X C B X X B X B X - A A A Comment 3

Comments:
  1. TM:Oakite Products Inc., Compounds for cleaning surface heating.
  2. Carpenter 20® Acceptable
  3. Cupro Nickel Acceptable