أقراص ميركا الذهبية الصلبة PSA 5" و6" (لفافة)

These discs cut through clear coat and primer on my project car without loading up, even on the tricky curved panels. The adhesive backing held firm the whole time I was sanding, which saved me from switching discs constantly.

Finally got a roll of these and the PSA backing is a huge time-saver compared to the peel-and-stick sheets I was messing with before. Cut a strip for my orbital sander and the gold coating held up through three panels without loading up on me.

Used a roll on a boat repair this weekend, and the 6" discs held up well even when cutting through cured gelcoat. The PSA backing stuck firmly on my backup pad without any curling at the edges. I'd say they're a solid choice for heavy sanding tasks.