Quote:
Originally Posted by Boozlefoot
Most expanders to my knowledge require a certain level of moisture (humidity) to cure, and are often more lively on humid days. I think from memory it relies on the water content of the atmosphere to cure rather than the actual oxygen. Please correct me if I'm wrong. I've seen instruments packed with this for transport only, as to the longevity in something such as a case with gear being removed/replaced regularly may result in the foam eventually microcrushing/collapsing around the piece. The foam was brought up tp the approx level, whilst still working, 2 layers of gladwrap were used. 1 sheet stayed on the foam, and the other sheet allowed for easy removal. Same for top layer. A messy process from memory, didn't look too professional, but apparently the gear arrived overseas in pristine condition.
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Thanks Boozlefoot - How professional the finish looks doesn't bother me too much, being an amateur, but you're right the microcrushing could lead to nasty bits. I hadn't considered that. Cheers
M