I've used gorilla glue with sintra for my jango knees with success. Just keep in mind that you can make a first class mess; it foams as it dries, and its hard to get it off without a bit of sanding. Good luck!
Less is more with that stuff, and if gluing something together with it. Use only a few lines near the inside then sand off the foam part. I glued my blaster together with it and have dropped it twice and it held together.