Fig. 7

The photographic of the steel painted films before exposer to heat resistance test. (a) Painted film of based on F1 before exposure to heat, (b) based on F2, (c) based on F3, (d) based on F4.
The photographic of the steel painted films before exposer to heat resistance test. (a) Painted film of based on F1 before exposure to heat, (b) based on F2, (c) based on F3, (d) based on F4.