I'm trying to get an answer. So far, I'm getting conflicting one.
I like the Optik paper in Black N' Red notebooks, and I'd like to use it for something of historical significance. It's not going to work if 50 years from now the paper is faded and crumbling. If the paper is "acid free" and "archival," then it's useful to me.
So far, no official site for the Optik paper makes any claim at all. A forum post here from eight years ago reported that on Facebook some official from the company said it is archival. But I'm getting no genuine, reliable, definitive information about this.
The paper is made by Hamelin, a French company.
Anyone know or have ideas about its archival qualities?