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Cylindrical and Conical Mandrel Bend Testers

Investing in a mandrel bend tester is well worth it and a must-have for accurate and precise paint testing.  But what does your mandrel bend tester do?  What does it test and how?  You should always know what you’re buying before you buy it, and if you put in the effort to test your paint, then you may as well do it as best you can.  Cylindrical and conical mandrel bend testers are both very viable options and you should know a little something about them before your purchase.

Mandrels 

A mandrel bend tester works by drying paint on a mandrel.  The mandrel itself is a piece of material, most preferably stainless steel, which the paint will be wrapped around.  Stainless steel mandrels are a must-use for a mandrel bend tester as it will resist wear and tear, as well as provide a smooth surface for your paint to clearly display its true colors.

Testing

In mandrel bend testing, you’re essentially seeing how far you can push your paint before it cracks...literally.  The paint is tested by being spread thinly onto a mandrel and seeing if it starts to break.  A simple pass/fail test will tell you your answer, and you can continue to test your paint up to the smallest mandrel that your tester will take.  The better the paint withstands the smaller mandrel, the thicker and more reliable it is.

What about doing it manually?

You can test the thickness of your paint on your own, but the finesse that that takes can take years to master.  One must spin the paint around the mandrel just right in order for it to dry correctly and in order for you not to create any cracks or marks on it that would skew the results of the test.  

Investing in a tester will save you time and frustration.  Get the right results on the first try and make sure your paint is up to snuff by purchasing a mandrel bend tester from TestCoat, Inc. today!

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