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What're the differences in Depron and EPP foam?

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What're the differences in Depron and EPP foam?

Old 05-02-2015, 07:32 AM
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Default What're the differences in Depron and EPP foam?

What're the differences in Depron and EPP foam?

Which is better for fuselage, wings, etc.?

Why?

Jack
Old 10-14-2015, 10:38 AM
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Can someone please reply to this guy. I would like to know too. Tnk
Old 10-15-2015, 03:43 PM
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Depron is a specific form of expanded polystyrene that is manufactured is thin sheets.
EPP is the abbreviation of expanded polypropylene and is normally moulded to the required shape..
Both are closed cell foams so are water proof.

Polypropylene is more flexible than polystyrene so Depron is the more rigid but EPP better recovers its shape after an impact.
Polystyrene is attacked by more glues and solvents than polypropylene.
Polystyrene is considerably cheaper than polypropylene.

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