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Carbozinc 621 PW


A two component moisture cured organic zinc-rich primer for protection of steel in salt and weathering environments. Excellent maintenance or general use zinc primer over commercially blasted steel. Certified for potable water immersion using a near white metal blast. Use as a shop primer where quick recoat and cure times are required. Carbozinc 621 PW is user friendly for field touch-up of inorganic zinc primers.


File Name Language Download
Carbozinc 621 PW PDS English

File Name Language Download
Carbozinc 621 PW SDS Part A English

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Product Flyer Carbozinc 621 PW English

Product Video Carbozinc 621 PW English

Features & Benefits

  • High level of zinc loading
  • Uses high purity ASTM D 520 Type III zinc dust
  • Excellent adhesion
  • Resists mudcracking
  • Excellent application properties
  • Superior undercutting protection
  • May be topcoated in 4 hours
  • Fast cold cure
  • Long recoat window
  • Tough durable film
  • VOC compliant to current AIM regulations
  • NSF/ANSI Standard 61 compliant