I bought this to bond PE to other materials. Works great for this purpose. I deducted 1 star for dosing issues, but I was strongly tempted to deduct 2. Associated syringe plungers are supposed to deliver equal amounts of the a and b components, but that often doesn't happen. I ended up wasting very little as nothing came out on either side. It's not that the corresponding nozzle is clogged, as this affects the back pressure in the piston. As if there were huge air bubbles in the components. It's difficult to get the required 50/50 mix if the components aren't properly distributed. This happened on multiple devices, so the issue isn't with one.