HH-66 Vinyl Cement

HH-66 is the world’s most effective PVC vinyl adhesive.

  • Adheres PVC vinyl-coated materials in minutes
  • Easy application creates durable bonds
  • Exceptional for patching, sealing, and making underwater repairs
  • Strong and flexible even in weather extremes
  • All 4 oz. through 32 oz. cans come with a brush-cap top
  • Have a smaller project or on-the-go job?  Our new 1 oz. tubes are the perfect size!  Buy our toluene-free 1 oz. tubes here.

The rule of thumb is that one ounce of adhesive will cover one square foot of both surfaces to be bonded. For more details, click here for our product calculator.

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Looking to buy in bulk? Please contact [email protected] for more information on purchasing case lot quantities.

This product is eligible for special wholesale pricing. Contact us at 978-897-8000 or [email protected] to learn more!

HH-66 is the world’s most effective PVC vinyl adhesive.

It works underwater, sets in minutes, and holds fast at extreme temperatures. It’s waterproof. It bonds with just a single application. And it doesn’t let go.

That may be why HH-66 is trusted by experts in industries as diverse as vinyl-coated fabrics, geosynthetics, commercial tarps and inflatable watercraft. It works. And it’ll work for you.

  • Bonds in Tough Conditions – You can apply our clear vinyl adhesive in temperatures ranging from 35 to 95 degrees Fahrenheit, as well as underwater, and it will stay malleable
  • Sturdy and Flexible – Our highly regarded HH-66 Vinyl Cement sets the industry standard for vinyl material repair, maintenance and manufacture
  • Repair Multiple Types of Vinyl – Use HH-66 Vinyl Cement for sealing stitched seams*, applying decals, applying patches, and adhering moldings.  It also works well with PVC vinyl, canvas, cork, fiberglass, foams (EVA, nitrile, vinyl), glass, leather, neoprene, vinyl-coated materials, vinyl films, and wood
  • Brushes on Smoothly – Use the included brush or a roller to apply the adhesive to the vinyl fabric or to the hard plastic, and it will go on smoothly
  • Trusted Bonding Formula – We have been making our vinyl cement formulas since 1949 in the United States, giving customers reliable results
  • Note – HH-66 is not compatible with tarps made of polyethylene (typical “blue tarp” material) – sometimes called “poly tarps” – or with extremely thin vinyl (used for lettering or wraps).
  • *Also Note – Continued exposure to direct sunlight may yellow excess HH-66 over time.  Excess adhesive should be removed, and HH-66 should not be used as a seam-sealing adhesive for fabrics exposed to the sun.

General Instructions

  1.  Clean surfaces with alcohol or compatible solvent.
  2.  Sand any glossy surfaces lightly.
  3.  Apply an even coat to both surfaces to be joined.
  4.  Allow cement to set until tacky, typically around two minutes.  Cement will remain tacky for just a few minutes.
  5.  Press together while tacky and allow to bond for at least an hour before use.
    Strongest hold achieved after one day.
  6.  Remove any excess adhesive.

Use HH-66 Thinner for preparation and cleanup.

Apply within 18 months of manufacture for best results.

How to Patch with HH-66 Vinyl Cement

1.  Prepare

  • Cut patch to appropriate size, ensuring a two-inch overlap on all sides.  Round corners to minimize peeling.
  • Clean surfaces with HH-66 Thinner.  Sand any glossy surfaces lightly.

2.  Apply

  • Apply an even coat of HH-66 to both surfaces to be joined.
  • Allow cement to set until tacky, typically around two minutes.  Cement will remain tacky for just a few minutes.

3.  Attach

  • Press patch on firmly while tacky.
  • Apply even pressure throughout to remove air bubbles.
  • Allow to bond for at least an hour before use.  Strongest hold achieved after one day.
  • Remove any excess adhesive.

How to Combine with HH-66 Vinyl Cement

1.  Prepare

  • Clean surfaces with HH-66 Thinner.
  • Sand any glossy surfaces lightly.

2.  Apply

  • Apply an even coat of HH-66 to both surfaces to be joined, creating a two-inch overlap.
  • Allow cement to set until tacky, typically around two minutes.  Cement will remain tacky for just a few minutes.

3.  Attach

  • Press the two sections together firmly while tacky.
  • Apply even pressure throughout to remove air bubbles.
  • Allow to bond for at least an hour before use.  Strongest hold achieved after one day.
  • Remove any excess adhesive.

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Technical Data

  • Base:  Thermoplastic elastomer
  • Solvents:  Methyl Ethyl Ketone (MEK), Acetone, Toluene
  • Color:  Clear
  • Viscosity:  Medium
  • Application:  Brush or Roller
  • Solids:  15% ± 1% (approx.)
  • Net Weight:  8 lbs./gallon (approx.)
  • Service Temperature Range:  -30° to 150° F
  • Flash Point:  7° F
  • Shelf Life:  18 months from date of manufacture
  • Tack Time:  2 to 5 minutes
  • Coverage:  1 oz./sq. ft. (bonded area)

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