macbor Posted April 9, 2009 Report Share Posted April 9, 2009 Hey, I am in the process of making a divided cup for pouring swirls, I have read a lot about the process but I have a question. I am using tin as my divider, with a JB weld type product, if I painted the tin black with BBQ paint would I be able to reheat my plastic in the microwave I plan on heating up my plastic in two seperate cups and pouring it into my divided cup, but I'm concered with reheating????? Thanks for the help Rich Quote Link to comment Share on other sites More sharing options...
macbor Posted April 9, 2009 Author Report Share Posted April 9, 2009 Sorry, "Concerned" with reheating Thanks Rich Quote Link to comment Share on other sites More sharing options...
nova Posted April 9, 2009 Report Share Posted April 9, 2009 Don't paint the tin. You won't have any trouble with it. I heat and re-heat in the divided cup with no problems. www.novalures.com Quote Link to comment Share on other sites More sharing options...
saint308 Posted April 9, 2009 Report Share Posted April 9, 2009 I didn't have problems with mine until I had to cut away a piece of the divider to produce more of a swirl and not a laminate. Now it sparks right where the freshly cut part meets the glass. Any ideas why? Thanks. Saint. Quote Link to comment Share on other sites More sharing options...
nova Posted April 9, 2009 Report Share Posted April 9, 2009 I had the same problem. It's the shiny part of the metal where you broke off the piece. You have to dull the finish. You can try vinegar to dull it. You also have to clean out the JB weld from the area where the metal was. www.novalures.com Quote Link to comment Share on other sites More sharing options...
saint308 Posted April 9, 2009 Report Share Posted April 9, 2009 Vinegar? Just pour it on the metal? Thanks. Saint. Quote Link to comment Share on other sites More sharing options...
nova Posted April 9, 2009 Report Share Posted April 9, 2009 Vinegar is a weak acid. Just put some on a Qtip and dob the shiny part and let it set overnite. I wouldn't pour it in the cup. www.novalures.com Quote Link to comment Share on other sites More sharing options...
saint308 Posted April 9, 2009 Report Share Posted April 9, 2009 Got it. Thanks my man. Saint. Quote Link to comment Share on other sites More sharing options...
bhorlings Posted April 9, 2009 Report Share Posted April 9, 2009 I was having the same problem at Saint. Thanks. Quote Link to comment Share on other sites More sharing options...
robalo01 Posted April 10, 2009 Report Share Posted April 10, 2009 A couple of years ago my wife was melting some chocolate in the Mic to pour over peanuts for christmas candy. The choc was frozen and it caused a ton of sparks. I scratched it with a fork and it stopped sparking. Weird, but true. Quote Link to comment Share on other sites More sharing options...
gone2long Posted April 10, 2009 Report Share Posted April 10, 2009 Yeah but the problem I'm having with some is I read a post that said in the absence of H2O you would not get a heat reaction? Plastic and H2O don't mix so how is this possible? Quote Link to comment Share on other sites More sharing options...
COBRA Posted April 11, 2009 Report Share Posted April 11, 2009 why does everyone use metal?! take a piece of nylon sheet and use that or another type of plastic? i would think the metal would be straining the microwave as well. how bout a thin piece of wood that was coated? i have been meaning to make a split cup but never got around to it. Quote Link to comment Share on other sites More sharing options...
nova Posted April 11, 2009 Report Share Posted April 11, 2009 I would think the nylon would melt and coated wood will probably explode because of the retained moisture content. Wood is never 100% dry. www.novalures.com Quote Link to comment Share on other sites More sharing options...
braveviper Posted April 12, 2009 Report Share Posted April 12, 2009 I used a thick piece of lexan that is siliconed to the cup. Good results so far. Quote Link to comment Share on other sites More sharing options...
Delw Posted April 12, 2009 Report Share Posted April 12, 2009 Yeah but the problem I'm having with some is I read a post that said in the absence of H2O you would not get a heat reaction? Plastic and H2O don't mix so how is this possible? Plastic has mositure in it. almost everything does. why does everyone use metal?! take a piece of nylon sheet and use that or another type of plastic? i would think the metal would be straining the microwave as well. how bout a thin piece of wood that was coated? i have been meaning to make a split cup but never got around to it. I would think the nylon would melt and coated wood will probably explode because of the retained moisture content. Wood is never 100% dry. A microwave works off of moisture h2o to make it work, so if something has moisture in it it will get warm. Metal of any kind does not hurt a microwave that was a urban legend do to when the microwaves first came out lots of women used tin foil which caused a spark. hence the urban legend of not using metal in a microwave. as tinfoil is alumin foil. anything shiney in a microwave will cause it to arc even very shinny plastic glitter. on reheats its best to cut the glitter that sank to the bottom out, then after the plastic is melted drop it in chunks in the cup and stir it. a clump of glitter will arc and does catch fire in a microwave.. reheating plastic with glitter in it is not a problem as long as its not in a clump. Myth busters did awsum show on microwaves a few years ago, well worth watching if you can find it. they proved alot of bogus stuff using microwaves and pretty much cooked everything they could find. wood will actually catch fire in a microwave no mater how dry it is. for those that have acring on the top use steel wool to take the shinyness off it works perfect. Quote Link to comment Share on other sites More sharing options...
