Every plastic on this site has a page, and every page answers the same questions: what class of material it is, how it holds up to weather and wear, which other brands sell the same thing under a different name, and which discs you can get in it.
The short version of the whole archive: most brands sell three things. A clear, glassy premium plastic that holds flight the longest and grips the worst. An opaque premium blend that trades a little lifespan for hand feel in the wet and the cold. And a cheap baseline that’s made to beat in. Everything else is a variation on one of those, a glow or lightweight fill, a softer flex, a swirl.
What’s below is sorted by class, so you can compare Champion with Z Line with Opto directly, and then by brand. The class ratings are Disc Golf Dojo’s own read of how each class behaves, shown beside the manufacturer’s claim so you can see both.