QPQ is the finish on the carrier. Quench polish quench (QPQ) is a specialized type of nitrocarburizing case hardening. A QPQ finish is great for corrosion resistance, wear resistance, heat resistance, and reduced friction between parts.
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by Morgan, from AL, United States Asked on June 5, 2020
QPQ is the finish on the carrier. Quench polish quench (QPQ) is a specialized type of nitrocarburizing case hardening. A QPQ finish is great for corrosion resistance, wear resistance, heat resistance, and reduced friction between parts.