Dear John,
-- As per SSPC PA2 the minimum required thickness is 80% and maximum 120% of the required DFT for a single spot measurement.
as in your case 60 micron should be the min and 90 micron should be the max, hence it is not acceptable.
regards,
madhan
On Mon, Oct 3, 2011 at 9:07 AM, manoj john <manojacgnr@gmail.com> wrote:
Dear All,--Can anybody give the acceptance and rejection criteria as per SSPC PA2. I have applied primer to the shell surface of storage tank. The minimum DFT required is 75 micron. The actual average DFT is 70 micron and above but at some spot I got 15, 30 , 40 microns. Is it acceptable the total area is 2500 M2.I have taken 5 spot reading in 100 Sqft and each spot is the average of three single reading, in the single reading i am getting 15, 30, 40 microns but average spot reading is above 70 microns.Thanks in advanceManoj John.
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