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Topic: The random RESIN question thread!  (Read 410763 times)
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Diane B.
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« Reply #1690 on: June 01, 2013 12:54:50 PM »

I don't know why you're getting "bits" on your resin, but here are some other things to consider:

...basements are often damp, and humidity level does matter when curing resins

...your plastic cup may not be large enough to allow enough air to assist with the curing process, or it may keep the temp in a not-good range, etc

..."checking on it" even once or twice could allow bits to be swirled in under the covering

...your paper on the bottom of the resin may contain moisture which could cause bubbling in the resin, especially if it's not sealed... even if it's totally dry or sealed, why wouldn't you "embed" the paper in the resin rather than just pouring the resin on top of it...that would encase the paper fully, and it's even possible I guess that the exposed paper is losing bits that end up in the air??

...not sure why/how you're "soaking the resin off the pendant"...or what the "pendant" part is

...the type and brand of resin you're using could be making a difference

As I said, cured resin is difficult to sand down (you'd often need more than sandpaper for some sanding chores), and it's also difficult to do that in just one area so you can polish or coat it back to fully glossiness.  You can get info on doing it though here:
https://www.google.com/search?q=how+to+sand+resin

.
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POLYMER CLAY "ENCYCLOPEDIA" 
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pinksnail
« Reply #1691 on: June 01, 2013 02:41:28 PM »

There is no problem with the actual curing. It cures nice and hard and clear.  I usually do not get a lot of air bubbles. I let the freshly mixed resin sit a few minutes before pouring it in, then what air bubbles I do have I just work to the top and get rid of. I just mentioned the air bubble in my original post just to cover any aspect of what would need to be removed from a cured resin item.

There is really no way to embed the paper. I seal the paper with white glue. Let it dry. Glue it to the bottom of a silver bezel cup pendant, let that dry. Then resin on top. There is no exposed paper. The resin spreads to the walls of the pendant.

When I mess up, I soak the whole thing in acetone to disolve the resin so I can reuse the pendant.

I use the rain drop resin and doming resin from Rio Grande. I've used casting craft and some other stuff from craft stores, but I am the most pleased with the rio grande stuff.

I think my solution is to just not keep checking on it. But I started doing that because when I first got started with resin it didn't even occur to me to check on them. Just pour the resin, cover, let dry for a day. So I was shocked when I discovered tiny fuzz on them when I know there was not a spec on them when I covered them. So now I do spot checks. And I pretty much always find specs. I use a fairly large plastic cup to cover. Sometimes I use a large plastic container if I want to cover everything together. What do most people use?
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LadybugsAndBumblebees
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« Reply #1692 on: June 01, 2013 02:54:22 PM »

I just leave my resin items somewhere in the kitchen (on the table or stove) where I know they will not be disturbed for a long period of time.

I haven't ever covered my resin projects while they were drying, and I'm wondering if that may be an issue with your projects.  I would think that the item would need air circulation around it in order to dry well.

I don't remember the name of the resin I use, but it's the measure/pour/mix/use type.  Although, I have recently purchased Mod-Podge's 'Dimensional Magic' (eight bucks for a small bottle) and it works just like resin, but without all the setup and nonsense.

Perhaps you may want to try that?
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« Reply #1693 on: June 01, 2013 05:39:16 PM »

Does 'Dimensional Magic' work like resin? Waterproof and all? I know some of the stuff sold for pendant making is not waterproof.

Weird that maybe covering my items is causing the specks. Maybe I will do a test without the covering. But usually I get a spec or two before I even get to the covering stage. Maybe I am in an environment that has a lot of particles that can not be seen with the eye, but show up if landing in resin.
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LadybugsAndBumblebees
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« Reply #1694 on: June 01, 2013 06:46:10 PM »

I don't know if its waterproof or not and I purchased it awhile ago, so I don't have the packaging.

But as far as working like resin, I used it to make a bottle cap pendant for a swap and it came out perfect!
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« Reply #1695 on: July 26, 2013 05:39:26 PM »

So i have never used resin before... i was wondering if they have to be used with molds? or if there's a way you can make your own mold??? These may be stupid questions, but i literally know NOTHING about the stuff!!
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Diane B.
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« Reply #1696 on: July 27, 2013 08:38:57 AM »

There are different kinds of resin, and the 2 main kinds are intended either for deep molds or for shallow molds and coatings.  And one "tweaked" epoxy resin (Easy Cast) can be used for both but has some disadvantages after curing.

You can read a lot about the kinds and how they can/should be used, as well as molds you can use or molds you can make to use with resin, plus much more, in my previous YahooAnswers here (which also include a link to the page at my site on resins):
http://ca.answers.yahoo.com/question/index?qid=20091115185640AAXBfZF
http://answers.yahoo.com/question/index?qid=20100402061140AAD0jwB

http://answers.yahoo.com/question/index?qid=20100206091500AA7eXFv
http://answers.yahoo.com/question/index?qid=20100521191232AACynOx



.
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POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
simplypetal
« Reply #1697 on: July 27, 2013 11:55:46 PM »

Going absolutely bonkers over here trying to find a suitable spherical mold that ships from the US.
I need an actual sphere, no flat sides. Am I just better off attempting to make my own mold, or am I being dense and not looking in the right places?!

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Diane B.
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« Reply #1698 on: July 28, 2013 08:33:26 AM »

Do you want a sphere mold or a hemisphere mold?  And what size?

.
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POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
simplypetal
« Reply #1699 on: July 28, 2013 09:11:50 AM »

A full sphere, and either a one or two-piece mold is totally fine (though I think I would *prefer* a single piece).
Eventually looking for multiple sizes from about 1"- 3". Around 2" is where I'd like to start.
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