Re: seeking thoughts on Somos 8120

From: Jay Jacobs (
Date: Fri Jan 15 1999 - 16:23:57 EET


We switched to the DuPont 8120 in one of our SLA-5000s and love it! Faster
build times, the parts clean easier and are much more durable than the 5195.
DuPont has been great to work with and helped us get up and running in a

We don't have experience with the new Ciba resin so I can't give you
feedback there.

Jay Jacobs
Brookfield Rapid Solutions
(603) 577-9970
-----Original Message-----
From: Gabe Clark <>
To: <>
Date: Thursday, January 14, 1999 1:35 PM
Subject: seeking thoughts on Somos 8120

> I'm sure that this is not the first time that this has been discussed
>on the list but I also have to ask about these resins. We as well are
going to
>start using one of the flexible resins. We are considering either the
>Somos 8120 or the Ciba-Geigy Cibatool SL5520. I would like to know what
>everyone thought about these resins. Are there any down-sides to either
> Does anyone think that one is definately better than the other? Is one
>actually more flexible than the other? Does one finish easier/better?
>the Dupont actually build faster than Ciba's version? Do they have the
>sidewall characteristics? I could go on forever, but anything anybody has
>say would be appreciated greatly! Thanks in advance and I will post the
>results to the list when they are all recieved.

>>We are considering switching one of our sla500's to DuPont Somos 8100...
>>flexible resin.
>>Any feedback would be appreciated on factors such as accuracy, aces and qc
>>style buildability with the doctor blade (especially difficulty with
>>volumes and large flats), speed, downfacing surfaces, stability over time
>>(humidity resistance), ease of support removal and cleanup, tolerance of
>>handling (like being dropped), machining, drilling, etc....  Thanks,
>>Michael W Miller (
>>The Boeing Company             MS 17-PE   B-XT62
>>Propulsion Experimental Hardware   206-655-3289
>>Rapid Prototyping   655-4366         Lab   655-4365
>Gabe Clark                         
>Rapid Prototype Manager                           (801)-328-8220
>Solid Design & Analysis                   
>For more information about the rp-ml, see

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