It leaves an invisible protective coating. The pH of working bath should be maintained above 5.0 and below 8.0.
Caution is recommended.
Do not freeze. The information presented herein is our interpretation of certain test results and field experience to date. The information is not to be taken as warranty or representation for which we assume legal responsibility, nor as permission or recommendation to practice any patented invention without a license. It is offered solely for your consideration, investigation and verification.