Subject: Re: [harryproa] Re: extruded polystyrene core questions
From: "Rob Denney harryproa@gmail.com [harryproa]" <harryproa@yahoogroups.com.au>
Date: 6/7/2018, 8:54 PM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 

Still worth testing, but it is difficult to know what to test.  I have an idea for building hulls with a work around for the weak shear properties of EPS.  But the only way i can see to test it would be to build a hull and see what happens.  This could be expensive and, to the engineering purist would not be conclusive.  

I have ordered some of the 400, which I will infuse, bend, bash, and peel apart.    If it is successful, I'll build a small tender, (or maybe a camping hull for Elementarry) to try the next stage.

If you want to send me a 12" x 12" sample of 25mm 700 I will repeat the tests and compare the results.   Could you get 10 sqm and 100 sqm price for the 25mm 700, please?  Ta.  


On Thu, Jun 7, 2018 at 11:22 PM, '.' eruttan@yahoo.com [harryproa] <harryproa@yahoogroups.com.au> wrote:
 



|eruttan,
|Thanks for the foam suppliers.

Happy to help!

| They import Dow Styrofoam from Europe, as
|no one makes it in Aus.

Disappointing.

| The HD-X is the 700 and has been pretty much superceded by the 400 for the usual uses (building, insulation, etc). They will supply the 700 if I buy a container full, as it comes from a different factory to the 400.

Well, groper (and the math)said the 400 was good to 676gsm per side. So, perhaps it is still worth testing? Although that 'superceded' line sounds like a marketing guy made it up.

If all the 700 leads goto to dead ends in Au, then perhaps us XPS curious could post you some.

What size would you need? Do you have any interest still?


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Posted by: Rob Denney <harryproa@gmail.com>
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