I am starting a jewelry business where I place a photo into a piece of sterling silver and then add a small amount of resin (1/8"?) to cover and seal the...
Kelly; I can name you 3 to try BJB ,Smooth-On and Poly-Tek all have polyurthane that will be a good fit.You can find the links in the links on the casting list...
Dear "kellygirls2003" (a name would be good ;-) I am not familiar with the product you are using, but if it smells like that, it's probably polyester resin. If...
Hi all. Quick question. I'm casting with Tap Plastics quick-cast polyurethane resin... when casting small parts, I'm not having any problems, with with...
Do yourself a favor and check out Alumilite.com..... great products and service give them a call on their 800 number.... ... From: "kelleygirls2003"...
Fred; when post curing (putting castings in the oven), you must leave the parts undisturbed in the mold. Place the entire mold and casting (without touching ...
Thanks for the reply. I'm not necessarily looking for a faster cure. This happened on a peice that had been cast a few days earlier, and on the surface of...
also polytek clear cast is pretty good, but if your pouring into a mould you will need the platsil RTV which is expensive, sonds like thats not an issue for...
From your description of streaking I suspect incomplete mixing of the two parts. Sometimes we will mix A and B in one cup, then transfer it to a second cup...
Sometimes when I've had this problem with certain urethane resins, I've found 2 things that help...... 1. Shake the bottle of 'B' side of the resin (usually...
In a message dated 01/06/2004 18:49:01 GMT Standard Time, fcschmidt@... writes: Thanks for the reply. I'm not necessarily looking for a faster cure....
Thanks all for the tips. Will give them a try at my next casting. It very well could be bad mixing. I'm running a very small operation here :) so I tend to...
I reuse mixing cups, but I use two, mix the stuff then pour into a clean or cured old mixing cup for a second mix, then pour into the mould. I use open ...
Where does one go to find the pics of the vac casting machine?...
Ltsgetsmal@...
Jun 1, 2004 7:36 pm
22601
This doesn't matter as when a batch of PU resin cures it is hard and doesn't leach anything into subsequent mixes, I am a tight wad and make my free wine...
This sounds like insufficient mixing to me as i have experienced this before and it is annoying:O( Ian:O) ... From: Fred Schmidt To: casting@yahoogroups.com ...
Resin can be bent with heat, I have heated PU resin parts in a mocrowave before now and it works well because the heat is internal, the resin doesn't run the...
... You really need to try these folks out....... A friend of mine makes just beautiful thin wall model trollewy castings in some sort of white poly-urethane...
Thanks soooo much for the advice. I'll be in touch if I need more info! ... like ... you may ... On. It's ... about ... however. This ... it, I'm ... as-glass ...
Hey All, My names Ryan. Been a lurker for some time and thought I would post a question here. Having a wee bit of difficulty in casting some larger bronze...
Ryan, I don't know how well it would work with this particular casting, but like in the case with bells, the lost wax process was used. you make a wax master ...
I am surprised the green sand is not working for you. I have only done a tiny bit of casting with this medium, when I took a college course in casting, but...
Hi Ryan...let me see if I understand you correctly: you want to make a bronze sand casting from your wooden master of a sword. Aren't you supposed to ...
Ryan, Assuming your pattern has draught w/o undercuts sand casting would seem the way to go. I have used petrobond sand for casting both bronze and Britannia...
Hello All, I'm new to this group. As the subject says, I'm looking for plans to build my own vacuum/pressure casting chamber. I'd be grateful for any...
Hey all, Thanks for the help. Going to give it another go with the Bentonite mixture today. I'm trying to avoid the cost of doing a Rubber mold and then lost...
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