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Weatherproofing tests on painted wheels

Strict tests where the wheels must not show any aesthetic alterations or signs of corrosion.

Adhesion test (DIN53151) providing information about painting thickness
Sodium chloride solution spray test (DIN 50021) chamber saturated with airborne sodium chloride solution for 1000 hours
CASS test (DIN 50021) chamber saturated with airborne Copper-Accelerated Acetic Acid Salt (NaCl+acetic acid+CuCl2) solution for 240 hours
QUV test (ASTM G53-93) the wheels undergo a 700 hour-long UV light and moisture test that reproduces the deterioration caused by outdoor weather
Chemical agents resistance test wheel surface subjected to aggressive products; the test area’s softening level is measured