Test for Hi Tek?
- Thread starter Mr_Flintstone
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Mr_Flintstone
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OK, I’m rather confused now. Acetone brings this coating off, but it sticks well when doing the hammer test. Reheating @400 degrees for 10 minutes does not change the coating at all. No chips, separations, or flakes, and it still comes off with acetone, but sticks when hit with a hammer. I’m beginning to think they aren’t Hi Tek at all. Is there any other coating that would create a strong odor when sealed in a plastic bag, and has the properties above? I tested some in 38 special, and I couldn’t detect any kind of stuck buildup, but the gun did seem a little harder to clean than normal.
garandsrus
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10 min is not long enough. I bake for 15.
The smash test is my go-to for coated bullets.
Here are three different brands of commercial coated bullets, plus one plated. Note the second bullet from the left, how much of the coating has flaked off.
Here is what those flaking bullets do in a new barrel. Very difficult to clean out.
Here are three different brands of commercial coated bullets, plus one plated. Note the second bullet from the left, how much of the coating has flaked off.
Here is what those flaking bullets do in a new barrel. Very difficult to clean out.
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garandsrus
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It looks like leading also.
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