Ultra Seal - Corrosion Preventative Sealant

Ideal for heavy-duty, automotive, agricultural, marine, industrial, and recreational applications, Grote’s Ultra-Seal corrosion preventive sealant contained added tackifiers to improve adhesion and resistance to washout.
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991808 oz. (236 ml.) Tub

991808 oz. (236 ml.) Tub

  • 99180 thumbnail
  • 99180 thumbnail


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Technical specifications
  • Operating Temperature: -40°C (-40°F) to 150°C (302°F)
  • Pack Quantity: 1
  • VMRS: 053-999-096
  • Product Type: Sealant
  • Package Type: Tub
  • Warranty: 1 Year
Features & benefits
  • Good mechanical stability
  • Cost-effective product prevents rust and corrosion
  • Added tackifiers improve adhesion and resistance to washout
  • Has a 25% higher non-conductivity rating compared to the competition

Customer reviews

  • 99170

    Used on 55 ft steel boat. Complete rewire. All electrical connections and where dissimilar metals touched. 5 years later and salt water exposure, there is no visible corrosion and no failures due to corrosion. Although 4oz covers a lot of connections, still used many tubes.

    Tim Q Sep 30, 2017

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