Used this to simulate the windshield gasket on a Stinson SR-9. Works very well and very easy to sand. Should be great on fillets. Much easier to sand and manipulate than epoxy and micro balloons. A bit hard to measure out, so using a scale would be the best way to do that. Would be nice for modelers if it were sold in smaller portions.

A great product and very good service.

great, easy to use product

Product worked just as described.

Repeat customer on this product as it does a great job.

hard to mold put when it sets overnight it is hard as a rock and seems to stick well. The best thing is that when you wes sand it ,it smoothen out great and fills well and ready for primer and paint. just wish it would set up a bit quicker.

Poly-SuperFil sure is one good product . I use it for model airplane fillets and more. Also on woodwork, as I do general painting as my work. This stuff I tried on concrete some time ago still holding firm,sands ok also.Again, good stuff.

Works well with styrofoam, sands to a nice feathered edge.

Lightweight product that is easy to work with, has a slow drying time and very smooth sanding qualities. Used it to make repairs to my Stinson to fair out where hard points and fabric meet and crack over time.

Excellent fill and sand ability properties.

Easy to mix, apply, and sand. Extremely lightweight. Adheres well to any surface. Works great for filling dents. Im very pleased with the result. I believe it can be easily used for may applications, not just aviation use.

I have used this product for years in filling the low spots and weave of my glass airplane. It works, is easy to sand, cures fairly quickly and bonds to the glass very well after light sanding to remove the glaze. After 14 years the paint still looks good and I have had no bonding or cracking problems

I used this product to fill low spots on my Glasair wing. I stored the wing for several years until I was ready for paint. When I was ready to paint, I removed the wing from storage to find cracks everywhere I used this product. I took me several months full time to remove this product and went back with a 3M product.

GOOD