Please see detail as below
please find attached the SST report for SurTec 650V from Kitamura Painting and Japanese vendor.
・Result of Kitamura Painting samples
Please refer to "Judgment about the 10 Treatment Conditions" as for Kitamura's condition.
The condition of No.5, No.8 and No.10 is very good.
When the Conc. of 650V is changed to 150 from 50 [mL/L] , the state is deteriorated. →No.3, No.6 and No.9
When the Degreasing#53 is used, the state is deteriorated. →No.1 and No.11
・Result of Japanese vendor samples
The corrosion is hard to convey with pictures, the condition of No.5 is very good.
And as the Drying temperature is raised, the state is deteriorated.
・Next Step
Customer would like to advance a test of the painting samples (Housing, Lid1, and Lid2) based on the above result.
We will send you 93 sets of new casting (Housing, Lid1, Lid2) today evening. Kindly help to check the chemical and painting color and advise us the trial date. Thank you.