Home Corrugated Plastic Sheets Working with polypropylene My Boats After reading this page, Rick Webber, UK sent me the following email. Many thanks to Richard Webber for sharing. Bonding Coroplas / Corex Many years ago (2002) I was making and selling many SPAD aircraft kits and I had very little success with flashing and CA which was the recommended method at that time. My solution was to contact an adhesive manufacturer in my local city and challenged them to bond some sample corex that I sent them. Within two weeks they returned me a sample bottle of a CA they code named SF100 (Now available from 3M), along with my corex samples well and truly bonded, in fact one of the planes made back then with SF-100 is still flying today without any problems. I, like you test the bonds to destruction and in all cases the corex surface was ripped to shreds with large chunks still b...