Originally Posted by Pinecone
As you can see from the MSDSs posted, 3M 90 does NOT contain any acetone.
Well, the MSDS data I have
shows that 3M 90 has 10-20% acetone. I believe that the last time I actually looked at a can of 3M 90 it listed acetone as an ingredient as well.
Perhaps 3M 90 has been reformulated just as 3M 77 was.