Casing Filler

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Trenton Fill-Coat® #6 Cold-Applied Wax Casing Filler


Fill-Coat® #6 is a cold-installed/high temperature petroleum-based casing filler compound that can be installed at ambient temperatures as low as 50°F (10°C) with portable pumps. The product is used in bridge abutment casings, and it can be used in casings with elevated temperatures.

End Use

Fill-Coat #6 is used to fill the annulus of gas distribution bridge abutment casings. It prevents corrosion by filling the void in the casing annulus. In addition, new water is prevented from entering the wax-filled casing. Applications include aboveground cased pipe (like bridge abutment casings)

Application Procedures

Fill-Coat #6 can be installed by a variety of portable air-powered mastic pumps (1, 5, or 50 gallon capacity). The material is pumped into the annulus of the casing until the casing is full.

The casing ends can be sealed with Trenton FillPutty™, Trenton #2 Wax-Tape®, or an epoxy filler once it is full.

Technical Specifications

Flash Point, ASTM D92 greater than 300°F
Specific Gravity 0.946
Application Temperature Range 55°F to 225°F
Operating Temperature Range -40°F to 225°F
Color Dark Brown
Consistency grease-like
Dielectric Strength greater than 100 volts per mil
Density, ASTM D1475 7.898 lbs. per gallon


55-gallon drums


  • Nonmelting
  • Anticorrosive
  • Water resistant
  • Dielectric
  • Inert
  • Nontoxic
  • Nonflammable
  • Pliable

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