코팅된 시험 판넬은 시각적으로 결함이 없는 반면 코팅이 안된 판넬은 표면에 더 녹이 발생한것을 볼수 있었다.
Printed from :
National Testing Standards,I nc.,
“Test No. 2:
Method: After accelerated weathering all ten of the submitted test panels were thermal cycled (ASTM D-2337) between 160°F and –20°F. Two cycles were performed each consisting of 3 hours.
Results: None of the coated test panels exhibited any visible evidence of coating degradation. The uncoated control panel exhibited additional surface rusting.”
(Report No.27935R2 National Testing Standards, Inc.)