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HyPro™ Tec 291

HyPro™ Tec 291 is an economical, cobalt-free trivalent passivate for zinc electrodeposits. HyPro™ Tec 291 will provide over 72 hours of corrosion resistance to electrodeposited zinc per ASTM B 117.

Product Features and Benefits

  • Exceeds 72 hours to white salts without the use of topcoats
  • Rich blue appearance
  • Can be baked without degradation of corrosion resistance