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pastorshane

another glitter question.

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I am pouring large gold hex glitter I got from lure craft. After 1 reheat the glitter begins to fold up and roll into a round shape. The plastic is not hot enough to burn{I don't know the temp} is this normal? I pour their medium black glitter that is square and it does not do that. Is it the design of the hex shape, too hot or just the nature of the beast? Thanks Shane

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Hey guy's I called lure craft today and they said they were switching to all metal glitter because of all the stuff now that won't take the heat. She said that the new metal large glitter may or may not do the same. She said when I order again to ask for a sample of the metal {probably purple} to see if it is better. This batch of glitter also blead thru on my clearer baits. She said the new metal will not blead on the plastic. Shane

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Remember, the standards for poly glitter/flake have recently changed allowing poly flake to be less than desirable for our uses. Metal flake may be the only flake available for high heat applications soon.

Oh yeah...metallic CAN be used in the MIC. I flinched the first time I nuked it and waited for the sparks. Bob from Ozark Tackle gave it a thumbs up for the mic though!!

Jim

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I've been using metal glitter since day one in the microwave and it works fine.

we been selling it since day one as well

the thing you have to watch with glitter and thats all glitter is if you just pour it in then heat your plastic with out stirring it , it will spark.

when you reheat make sure you cut the glitter that settles to the bottom out of the plastic as it is usually a big clump on the bottom and the reflectivy might cause it to spark. then after your plastic is hot stir the clump in till it melts and then reheat.

The spark is not caused by metal its cause by reflectivity(sp). Even poly will spark if its really bright.

you can take a cube of metal and cook it in the microwave with no problems as long as it is not reflective.

there was a great episode on mydth busters last year about metal in the microwave, well worth watching if you ever get the chance. it will explain many things that will make sence to guys who cook plastic in them.

Also A microwave will only heat/cook if there is moisture in what your cooking, if you have absolutely no moisture it wont even heat. That also explains why some people in different parts of the country gets bubbles in thier plastic and others don't and then sometimes they don't get any at all.

Metal glitters will hold heat about 60º I think its 365º. better than the poly stuff.

the bigger the flake the more of a chance you have at curling due to the surface area and it being very thin. while .035 glitter will not curl at lets say 365º for example. .125 or .062 might. this is also the same for poly glitter as the super small stuff wont curl at one temp while the .035 and bigger will.

a simple test to understand it is if you take a piece of tin foil and cut a very small piece hold it in some needle nose pliers and apply a flame or over a burner, you will see it curl, do the same with a bigger piece and it will curl faster with less heat.

While they say metal glitter won't bleed at 365º or less thats just a rough guess/approx figure, it will still bleed a tad if the plastic is too hot, we have some glitters that won't bleed at 400º.

the only draw back is that metal glitter is heavier this will make the glitter settle faster. so 2 things can be done, lower you heat and stirr if very well, Most of the settleing you will only notice in big baits like swimbaits or whats in your cup, most baits cool off fast enough to suspend the glitter, the only other place you could have a glitter settling problem is in RTV molds as these molds hold in the heat much longer. again it happens mainly on big molds were lots of plastic is used.

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Shane, don't rule out poly glitters they have worked for years and they still have a very good purpose, most people don't pour plastic hotter than what poly's will withstand. some colors you can only get when the glitter bleeds.

Its always good to have both types in your shop for certain situations.

Like everything else there are pro's and cons to both.

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