Originally Posted by craftyone27
I am intrigued by the idea of the coroplast boards but also concerned about chemicals in the plastic damaging the fabric longterm. Does anybody know the answer to this? Also - same question regarding acids in the comic book boards.
I got this from the Coroplast web site, so I think the answer is that it is safe.
"The name Coroplast applies to a wide range of extruded twinwall plastic sheet products produced from a high impact polypropylene copolymer. Coroplast uses a copolymer resin in order to increase impact and low temperature performance. Chemically, the sheet is inert, with a NIL pH factor."