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Ellsworth Adhesives - Home>Customer Service>FAQS> Should I prime both surfaces?

Should I prime both surfaces?

In most cases, this is not necessary. Generally, one surface can be primed and adhesive applied either to the primed or unprimed surface. Situations requiring priming of both surfaces generally arise when very rapid cure times are desired or when bond line gaps of .015 or more exist. When using a primer, typically less is best.