by Sir Thurat » Wed May 14, 2014 10:14 pm
There isn't really a specific type of foam you have to use for Bel weapons. It all comes down to how they hit and how they hold up in determining whether or not a type of foam is suitable. Your typical camp pad is a blue Ozark Trail pad, without the large bubbles. They make a version with rather large bubble shapes on it, which make it difficult to glue, so it's not really suitable. The typical blue camp pad is being pulled from my local stores and going to online only, so that may be the same in your area.
Otherwise, the most common foams used are 2# polyethylene, polyurethane, EVA, and MC (mini-cell/micro-cell). Blue camp pad is a ~2.4# polyethylene.
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