Why choose mylar?
The three things you want to consider when choosing a stencil material are:
How strong is it?
How easily can it be cleaned?
Will it achieve crisp stenciling results?
Polyester is quite strong. It has the ability to be rolled very tightly and it will always bounce back to its flat shape. If you take a square sheet of polyester, even the thinnest 5 mil, you will not be able to tear it using your hands. The secret to a long stencil life is the ability to clean paint or ink off your stencil. Polyester is one of the very few plastic materials that is solvent proof. You can clean your stencil with paint remover, acetone (fingernail polish remover), turpentine/mineral spirits, or anything recommended to clean paint, and you won't damage the stencil material in any way. All material in the polyester family is flexible. This is very important when you are stenciling because it can conform to curved surfaces as well as the subtle variations on flat services. This will provide a more crisp and professional look than you can achieve using a rigid stencil material.
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