Hello, this is an intersting subject, I am just thinking about to buying a vulanizer (like Romanoff´s table top model). Problem is I want to do the casting in...
24624
Ted Quick
rim_molder
Mar 2, 2005 5:29 am
Try looking at: http://www.tekcast.com/casting.htm#TEKPLASTIC%20LIQUID%20THERMOSET%20PLASTICS They have information about spincasting resins in many places on...
24625
Terry Wellman
mwhirailer
Mar 2, 2005 6:22 am
Hi Wolfgang, We spin resin in vulcanized molds on a regular basis. Despite the learning curve, it is entirely do-able. The main concern is the quality,...
24626
Wolfgang Gebranzig
wogelin
Mar 2, 2005 1:00 pm
Hi Terry and Ted Thank you very very much for your detailed answer. Really a fantastic info and help to me. It is not the quality of the various RTV-Rubber´s...
24627
crist2804
Mar 4, 2005 12:10 pm
Hi there. What's different between "POLYURETHANE CASTING RESIN" and "Urethane plastic polymer" ? Are those two products same or not? Which one is good for...
24628
Peter Sheres
psheres
Mar 4, 2005 1:23 pm
I believe they are the same thing. The one that is best for your application depends on a number of variables like: Part size Thickness of the part What you...
24629
Gary Woodard
betsy662
Mar 4, 2005 1:41 pm
Hi Chris, They are pretty much one and the same thing, now there is a difference between polyester and polyurathane, polyester is very similar in look and fee...
24630
Ted Quick
rim_molder
Mar 4, 2005 2:59 pm
They're the same thing, with sliughtly different labels. Almaost any plastic can be name "Polywhatever" or just "whatever";, sinc all plastics are made of...
24631
Ted Quick
rim_molder
Mar 5, 2005 4:49 am
This sounds a bit out of whack. Polyesters, the first casting resin ever used, is mxed in mush smaller ratios than you say below. It's given as a few drops of...
24632
Ken Cliffe
ken_cliffe
Mar 5, 2005 2:17 pm
Can anyone recommend a flexible resin that has a de-molding time of minutes? All the ones I've seen take hours to cure. Ken...
24633
Peter Sheres
psheres
Mar 5, 2005 2:19 pm
Polytek Plastiflex is a semi rigid/flexible resin that sets up in minutes. Peter Sheres Ball Consulting, Ltd 12565 Research Parkway, Suite 300 Orlando, FL...
24634
steveneserin@...
steveneserin
Mar 5, 2005 2:20 pm
In a message dated 05/03/2005 14:18:10 GMT Standard Time, cliffe1645@... writes: Can anyone recommend a flexible resin that has a de-molding time of...
24635
crist2804
Mar 6, 2005 3:59 am
Hi Peter Sheres, Gary Woodard, and Ted Quick, Thank you all. That's very helpful info. to me. Thanks again~^^ Chris...
24636
nomadic360
Mar 6, 2005 6:21 am
Hello - Was wondering how Hollow Casting is accomplished. I have a metal oblonged shape approximately 4"in height and 3" at it's widest point. I would like...
24637
dehusman
Mar 6, 2005 6:44 am
I would like to thank everybody on this list for their input on and off list on my earlier casting problems, also thanks to the folks at Alumilite for their...
24638
Ted Quick
rim_molder
Mar 6, 2005 4:19 pm
OK, to cast a hollow part you need a 2 (or more) part mold, depending on details and undercuts. The process is usually called slush casting. Basically you mix...
24639
tweten7
Mar 6, 2005 8:56 pm
... a ... widest ... Rotational casting would be my solution. The mold is paritially filled with polystyrene or polyethylene pellets depending on how thick a...
24640
Sarah Rose
rosehorse67
Mar 6, 2005 11:24 pm
Does anyone know if there is a clear softer (like 20 or 25) silicone available to the casting industry? I post this about once a year, the last time I checked...
24641
farmboy_k
Mar 7, 2005 2:07 am
Hello, I am looking for someone who does custom spincasting of resin or pewter for a couple projects I have. I can send pics with dims to those who want to...
24642
gollumcast
Mar 7, 2005 3:03 am
Anyone know a supplier that sells 55 gal drums I need one that sets up in under 15 minutes for a reasonable price...
24643
dking551
Mar 7, 2005 6:15 am
The Smooth-on Reoflex urethane rubber is fairly transparent, but not real clear, might still be difficult to see your master good enough to make accurate cuts....
24644
tcs
compleatscul...
Mar 7, 2005 11:55 am
... The reoflex is semi-translucent rubber and a polyurethane not a silicone. To my knowledge the softest "clear" silicones are in th 40A range. Each company...
24645
Mike Brose
puppetsnprops
Mar 7, 2005 3:48 pm
... Silpak has a shore A 10 clear silicone (Sil-Putty 10). They will send you a cured sample upon request. You'll just have to see if it's clear enough. It's...
24646
Mike Brose
puppetsnprops
Mar 7, 2005 3:51 pm
You can also do resin (urethane or other resins) rotational casting with silicone molds. The resin is mixed up and poured into the mold and similarly rotated...
24647
Tony Furdock
bikefurd
Mar 7, 2005 4:01 pm
Silicones, Inc. has clear platinums down to 18 shore A (their P-15, whixh they say goes up to 18 after several days of cure - it's still pretty soft). Good...
24648
Ray K.
kleenax
Mar 7, 2005 4:23 pm
Here's an interesting data sheet on polyethylene. http://www.boedeker.com/polye_p.htm Ray K....
24649
Ted Quick
rim_molder
Mar 7, 2005 4:31 pm
Just to get a sample, look at: http://www.boedeker.com/polye_p.htm They give melting temps between 230 and 280 F, depending on grade (at least for their own...
24650
Peter Sheres
psheres
Mar 7, 2005 4:53 pm
Polytek has a product called Plat-sil Gel 10 that is a 10 durometer translucent clear rubber that would probably work for you. Peter Sheres Ball Consulting,...
24651
Tim McCoy
lotus_14us
Mar 7, 2005 4:59 pm
Try NuSil, They make water clear soft silicones for the medical industry, you might find a one which will work. Most of there stuff is 2 part heat cured, but...
24652
Peter Sheres
psheres
Mar 7, 2005 7:20 pm
I sell Polytek materials and they have a few products that set up in 10 minutes. Attached is a data sheet for your reference. In addition to the regular...
