Expanded polystyrene fillings
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Gencho
Nov 15, 2008, 9:55:15 AM11/15/08
to Rotomolding
Dear friends,
I'm interested in any tips how to expand polystyrene in my holow
rotational molded products both for insulation or floating.
I'm interested in any tips how to expand polystyrene in my holow
rotational molded products both for insulation or floating.
HARRY...@aol.com
Nov 17, 2008, 2:28:41 PM11/17/08
to rotom...@googlegroups.com, udc...@msn.com
Hi:
Do not understand the problem. U can buy unexpanded polystyrene beads from a number of manufacturers - these can be expanded by using heat ( but do not expose to very high temp or the expanded polystyrene will melt into a blob) or safest by use of steam expansion.
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