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Black printed vinyl tape roll 4 inches wide 100 feet long 20 mil thickness

3M

3M Scotchrap 51 Printed Vinyl Tape 20 mil 4 in x 100 ft Black

SKU CH-D55E-5G91F

Heavy-duty 20 mil PVC tape protects metal piping from corrosion and impact above and below ground

  • TypeElectrical Tape
  • ColorBlack
  • Premium 20 mil PVC backing delivers heavy-duty corrosion protection
  • Flexible vinyl conforms to pipes and fittings for reliable sealing
  • Pressure-sensitive rubber adhesive ensures strong tack in all weather
  • Withstands 55 to 176 °F for above and below ground use
  • Resists UV, salt water, soil acids and chemicals for lasting performance

Heavy-Duty Corrosion Tape

3M Scotchrap 51 is a printed vinyl tape built for protecting metal piping systems, conduits and fittings in buried or exposed locations. Its 20 mil PVC backing and rubber adhesive deliver mechanical strength and electrical insulation for maintenance crews and utility installers. It is not suited for buyers who need a thinner colour-coding tape or a non-printed general-purpose wrap.

Printed Legend Changes Identification

The factory-printed surface lets workers recognise protected sections at a glance without adding separate markers. High tack adhesive bonds instantly to clean steel or mill-coated pipe, while the flexible backing conforms to field joints and irregular shapes. UV, salt water and chemical resistance keep the legend legible through seasonal cycles.

Cold-Weather Handling And Surface Prep

Installation proceeds down to 55 °F, though the adhesive firms up in cold air so firm pressure is needed for full contact. Dirt, oil or moisture on the pipe will cause premature lifting, so thorough cleaning is the step most often skipped. Overlap each wrap by half the width and avoid stretching the tape beyond its elastic limit.

Highlights

  • Premium 20 mil PVC backing delivers heavy-duty corrosion protection
  • Flexible vinyl conforms to pipes and fittings for reliable sealing
  • Pressure-sensitive rubber adhesive ensures strong tack in all weather
  • Withstands 55 to 176 °F for above and below ground use
  • Resists UV, salt water, soil acids and chemicals for lasting performance

Specifications

TypeElectrical Tape
Brand3M
ColorBlack

Questions about this item

Will the 20 mil PVC backing and rubber adhesive need replacement after long-term burial?

The 20 mil PVC backing and pressure-sensitive rubber adhesive resist UV, salt water, soil acids, alkalis and chemicals, so the tape maintains corrosion protection without scheduled replacement.

What temperature limit is reached first when the tape is exposed to continuous sunlight on a pipe?

The tape withstands up to 176 °F (80 °C); sustained exposure above that temperature is the first limit that can degrade the PVC backing and adhesive bond.

Does the tape become soft or emit odour when it runs at the top of its 176 °F rating all day?

The flexible PVC backing and rubber adhesive are formulated for the full 55 to 176 °F range, retaining mechanical strength and insulation without softening or odour at the upper limit.

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