Cerakote Gun Coatings Flexibility Test: Astm D522

Flexibility, or Mandrel bend (Astm D522), testing is measured by placing a coated panel i conical mandrel apparatus and bending the coated panel over a conical shaped mandrel in order the asses the elasticity or resistance of a coating to cracking, elongation and/or detachment from the metal test panel.

The conical shape of the bending area allows the deformation of the test panel and examination of the elasticity range of the coating over a diameter between 3.1 mm and 38 mm in one single test. Cerakote H-146 Graphite black was tested and exhibited excellent flexibility and no signs of cracking, elongation or detachment from the steel panel.


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  • Alternative Firearm Coatings
  • Peoria, AZ 85345
  • Email for Fastest Response: Acoating@gmail.com
  • Phone: (623) 910-5055

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