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Aluminium is a 'must' for PU mould?

by Navana
Tags: aluminium, mould
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Navana
#1
Jul11-08, 02:34 AM
P: 5
Anyone can help me out? I would like to know why aluminium material is using for PU ( Polyurethane ) mould for shoes outsole? Is it only because of light weight of aluminium? Any other special reasons for using aluminium?

Thanks in advance!
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