Guidelines for Cross-Cut Adhesion Test in Downlight Quality Control (ISO 2409)

Learn how the Cross-Cut Adhesion Test (ISO 2409) ensures the long-term durability of lighting coatings. Through rigorous grid testing, KINGDA Lighting helps wholesalers prevent paint peeling and corrosion risks in downlights, reducing maintenance costs during the warranty period and protecting project reputations. Request a GU10 downlight sample today to verify our Grade 0-1 standards for yourself.