The folks at weldon kept it somewhat vague as I expected because you can't replicate results every time around but they told me the bonding properties and strength should be adequate. The test chunk I did I was able to break off after 72hrs but I had to really twist and pull on it to get it it break. I had acrylic and abs mixed into each side of the break so that tells me the materials had completly melted and bonded to one another.Wow, that's good to know that Weldon 16 will bond acrylic and ABS.