bigben2k would you know what polypropelene (I think ive spelt it right) is like for bonding. Ive been looking for a container to use for a res instead of a coffee jar, and today I found an old free, broken thermal flask sitting in its box on my shelf. The inside of it was just a moulded 2mm thick wall polypropelene container surrounded by polystyrene foam (which will be usefull if I ever stick ice in the res to get lower temps just for a test).
If that wont work then Im going to build one out of copper and stick an acrylic window on the side
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