Blocking (Killing) Acrylic
Posted in Tutorials and Help on March 9th, 2012 by Candace – 22 CommentsWet blocking is an easy way to work with natural fibers, but for acrylic, it often isn’t enough. Blocking acrylic with heat is commonly referred to as “killing” acrylic. It’s a handy thing to know how to do, and it’s important to do properly because once it’s done, it can’t go back to its original shape. Blocking is great for getting the edges or shaping you want on a project, and stretching the acrylic while blocking can actually give a finished project more drape.
Killing acrylic with heat works with the fact that acrylic is plastic and it melts and deforms when heat is applied to it. You are manipulating the fibers while they are in a more manageable state. It’s much different from wet blocking or heat blocking wool and other natural fibers, which is more akin to wet setting or heat styling hair.
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