Spectral PLAST 825 is a unique product with two functions: a primer for plastics, or an additive to acrylic or epoxy primers and fillers. When used as an additive, the product promotes adhesion of primers, e.g. Spectral UNDER 365 or Spectral UNDER 385 to plastics, with enhanced elasticity. Using the additive helps speed up priming when both metallic and plastic substrates are processed. Just prepare the Spectral primer or filler of your choice, add Spectral PLAST 825, and apply the primer/filler without having to interrupt processing or change the primer. As for the second function, adding a thinner at 1:1 to Spectral PLAST 825 gives you a standalone primer for plastics.

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