Page 25 - PCMI Journal December 2021
P. 25
Pre-Treatment – Preparation of Metal Surface
Sean Hill, Product Manager, Eternal Technology Corporation
8/31/21
21
Brush Scrub Surface Prep Foot Print for Pumice Scrub Brushes Brush Pressure
“Correct” pressure 0.25”- 0.375” Uniform band full width of panel
“Heavy” pressure, pattern is too wide causing ‘smear’ and ‘bowing’ at edges
Worn brush in center, ‘smear’ at outside edges due to overpressure.
22
Brush Foot Check Gauge
21
22
Issue 138 December 2021 PCMI Journal 25
11