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Applying shrink capsules with heat gun


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We are getting ready to produce, and have been trying out various tops and shrink capsules. When I use my heat gun to shrink the capsules, about half of them come out looking like ET snot. Any suggested techniques to get a consistent seal? I was considering making a cup-like end to attach to the heat gun, to even out the heat. I realize there are devices made for this, but until we get to selling product, our budget is pretty lean. TIA, John

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If you're not down to upgrade, than just keep practicing. Before getting a more appropriate tool from st.pats, we used a cheapo harbor freight heat gun. It took a good 30 or so bottles to get the technique down (involved spinning and carful distance/angle), but it's totally doable to get clean heat shrinks with a regular heat gun.

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