How to test reflectivity???

[Muji-FightR]

Originally Posted by DABhand

All dyes should be dark or deep in colour.

My Verbatims are of a dark violet color on the writeable side. Many DVDs are really dark on this side but i cannot say this for CDs
They often are light silver/grey but not dark ?! I had some black ones by Samsung they were really good for burning Audio and SafeDisc But not very compatible with my old drive :-P