The ammonia is used to "plasticize" the cardboard, relax the fibers so they can be bent more easily. Its just used on the back side, generally with a misting bottle. The ammonia will evaporate quickly. You can just use plain old water. You aren't supposed to get it dripping wet.


Christopher
1950 1-Ton
"Rochester"
In the Gallery
In the DITY Gallery

1949 GMC Panel Truck
1926 Model TT Truck