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...
Try looking at: http://www.tekcast.com/casting.htm#TEKPLASTIC%20LIQUID%20THERMOSET%20PLASTICS They have information about spincasting resins in many places on...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
... a ... widest ... Rotational casting would be my solution. The mold is paritially filled with polystyrene or polyethylene pellets depending on how thick a...
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...
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...
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....
... 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...
... 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...
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...
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...
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...
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,...
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...
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...
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