SAE J2633:2019 pdf free
SAE J2633:2019 pdf free.Wheel and Wheel Trim Weathering Testing for Paint Coatings
See SAE 1960 for test method. Coupons should be sized to fit the holding fixtures. An area of each coupon shall be masked to prevent UV exposure of an area of the coupon, otherwise known as “initial”. The exposed area of the coupons shall be washed with a cloth and warm water to remove dirt at the end of test. Specular Gloss should be measured, comparing post-tested areas of the coupon to the initial area in terms of percentage of gloss retention, using ASTM D 523 procedures. Color Change: Visual, see 2.2 for rating scale and Section 3 for definitions.
Coupons with the complete paint system should be sized to fit the fixture of the test cabinet. Wheel sections should be as flat as possible to expose the paint system similarly to the coupons. An area of each coupon shall be masked to prevent UV exposure of an area of the coupon, otherwise known as “initial”. The exposed area of the coupons shall be washed with a cloth and warm water to remove dirt. Specular Gloss should be measured, comparing post-tested areas of the coupon to the initial area in terms of percentage of gloss retention using ASTM D 523 procedures. Color Change: Visual, see 2.2 for rating scale and Section 3 for definitions.
Florida Weathering, exposure site to be documented, Florida Exposure Test Service Company, for example Test coupons/parts with complete paint system. An area of each coupon shall be masked to prevent UV exposure of an area of the coupon, otherwise known as “initial”. Coupons to be mounted on black box. Coupons to be exposed at 5° from horizontal, facing south at an accredited Florida weathering test site. The exposed area of the coupons shall be washed with a cloth and warm water to remove dirt. Specular Gloss should be measured, comparing post-tested areas of the coupon to the initial area in terms of percentage of gloss retention, using ASTM D 523 procedures. Color Change: Visual, see 2.2 for ratings and Section 3 for definitions.SAE J2633 pdf free download.
