A bit off topic - lost foam sand casting

From: Ben May (benmay@pdd.co.uk)
Date: Thu Aug 22 2002 - 13:10:43 EEST


> Greetings RP'ers
>
> Anyone out there know anything about lost foam sand casting. Most people
> I've spoken too seem to assume that it's an investment casting process
> wheras I'm sure I've heard of it being used for sand-casting. I need to
> know 2 things:-
>
> What grade of expanded polystyrene is typically used for the sacrificial
> patterns?
> Is there a foundry (preferably in the UK) that has experience of producing
> large bronze components using this process?
>
> Thanks in advance for your help
>
> Ben May
> Senior Development Manager
>
> Pankhurst Design and Developments Ltd
> 85-87 Richford St
> London W6 7HJ
> Tel: 020 8735 1111
> Fax: 020 8735 1122
> benmay@pdd.co.uk
> http://www.pdd.co.uk
>
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