Zap®-O 泡棉安全無味CA膠，0.7盎司

The viscosity is just right for gap-filling on plywood, and it grabbed in seconds without any smell bothering my sinuses. I’ve used it on three foam builds now and none of them have melted or warped, which is exactly what I needed.

No more melted foam projects—the medium viscosity fills gaps perfectly on my balsa-and-foam hybrid builds. The lack of fumes is a game-changer for indoor work.

I was nervous about gluing foam for a model, but this stuff truly is odorless and didn't melt anything. The medium viscosity made it easy to control on the balsa parts too.