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So far the paper mache trials have gone well. In some ways it has been better than I had expected, and in other ways it is not as great as I had expected. I was initially perplexed by all of the paper mache goop and pulp recipes out there! I considered testing all of the recipes to find the creme de le creme of paper mache goop. Then I started getting my hands dirty and that idea lasted about 2 more seconds. I would be making paper mache for centuries if I were test it all!
Essentially, there are 2 types of recipes for paper mache. The first I'll call "goop" and the second I'll call "pulp".
Goop is your standard water and flour recipe. This is the paste that makes everything stick together. Many people add PVA (polyvinyl acetates), which are white glues that dry clear...like Elmer's. The PVAs add additional strength and a little more crunchy hardness (does that make any sense?) to your goop once it dries. Many recipes also add salt, which helps to eliminate mold. This is especially useful in humid climates. Finally, your list of additives for eliminating odors is nearly endless. I haven't read much to suggest that additional additives do much to improve the goop.
I sort of winged it after reviewing so many recipes because I felt like they were all pretty much the same. I chose a boiling method for making the goop because most people said this made it stronger. Since I'm not testing the differences, I'll never know if this difference is significant or not.
My mixture was:
2c flour
4c water
2 oz PVA glue
2 tbsp salt
I took half of the water and brought it to a boil on the stove. I then mixed in the flour, stirring constantly to eliminate lumps (easy...like making gravy!). Once this was mixed well I added the glue and the salt. I was able to store it in an airtight container in the refrigerator for a week.
Pulp is not essential to all paper mache projects, but is a useful recipe to have on hand if you need it. Pulp takes longer to make than goop. Mainly because you have to soak newspaper or egg cartons overnight. Pulp is generally made of a fibrous material, like newspaper or egg cartons, that have been soaked so they can be broken down easily in a mixture. I have also seen recipes that use dryer lint as the fibrous material! Flour, PVA, and salt are added to the broken down material and mixed until you get an oatmeal-like consistency. I tried to do this by hand, but it would have taken FOREVER! I used a blender instead. Mix the newspaper or egg carton in the blender first, then add the flour, etc and mix again. I didn't use specific measurements for this recipe, which may have been a bad idea. I ended up having to add a lot of water after the fact to get it to reach an oatmeal-like consistency.
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