Coating appearance
The coating surface should be continuous and uniform, with texture consistent with the corresponding standard sample, and free of defects such as nodules, shrinkage cavities, bubbles, pinholes, cracking, peeling, powdering, particles, sagging, exposed substrate, and dirt inclusions.
For cabinets without spray coating treatment, the gloss and texture of the outer surface should be uniform and beautiful.
Coating adhesion
After the adhesion test, the coating on the surface of the outdoor communication cabinet meets the requirements of Level 1 in Table 1 of GB/T 9286-1998.
Coating impact resistance
After the impact resistance test, the coating on the surface of the outdoor communication cabinet has no radial cracks, gaps or other defects.
Aging resistance of coating
The coating on the surface of outdoor communication cabinet is anti-aging.
Coating solvent resistance
After solvent resistance testing, the coating on the surface of outdoor communication cabinets should not show any signs of loss of gloss, obvious fading, or wiping.