How Can a Person Make Flubber Without Borax?


Quick Answer

Flubber can be made without borax by using a psyllium-based dietary fiber supplement. A staple science project in schools, "flubber" is often made by using borax, a boron-based compound that is toxic when ingested. Psyllium is a much safer alternative to borax because it is edible and turns into a gel-like substance when mixed with water.

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Full Answer

The following shows how to make flubber using psyllium:

Step 1: Mix the ingredients

Mix 1 teaspoon of psyllium with about 8 to 10 ounces of water in a jar. Mix these ingredients together thoroughly by placing a lid on the jar and shaking it for about a minute.

Step 2: Microwave the mix

Transfer the psyllium-water mix into a microwave-safe bowl and place it inside a microwave oven. Set the temperature on high, microwave the mix for 5 minutes and then allow it to cool slightly. Repeat the process about three to five times. The more the mixture is heated, the more rubbery it will gradually become. Watch the mixture closely, ensuring that it does not become too solid.

Step 3: Stir and store

Once the desired consistency of the flubber is reached, take it out of the oven and pour the contents of the bowl onto a cookie sheet or a glass platter. Extreme care should be taken while pouring the mixture as it will be very hot. Stir the mixture as it cools. The flubber will last for months if stored properly.

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