HH-66 Thinner

Our HH-66 Thinner is designed primarily for use with HH-66 Vinyl Cement.

  • Formulated specifically for use with HH-66 Vinyl Cement
  • HH-66 Thinner is designed for prepping, thinning, spraying, reactivating, and cleaning your project and tools:
    • Prep heavy-duty vinyl surfaces (e.g., truck tarps, heavy-duty bounce house vinyl, etc.) to soften and prepare the vinyl to receive the HH-66 Vinyl Cement for ultimate adhesion.
    • Thin HH-66 Vinyl Cement for spraying or for applications that require a more generous spread (e.g., over a large swatch with a roller) or a less viscous flow (e.g., in a syringe).
    • Reactivate HH-66 Vinyl Cement that has dried too quickly during an application when applied as a skim coat.
    • Revive thickened HH-66 Vinyl Cement that may be approaching the end of its shelf life to add a little mileage to the cement.
    • Clean your tools or other applicators that have accumulated excess adhesive.
    • Use HH-66 Thinner as a degreaser, as some of our customers do in their orthotic and plastic applications.
  • Be careful not to wipe away excess adhesive from a non-solution-dyed material too aggressively with HH-66 Thinner, as the thinner can react with the color and cause it to bleed.
  • Be careful with HH-66 Thinner when using it on a decorated vinyl pool liner, as the design can fade unintentionally.  We provide alcohol wipes in our Vinyl Pool Liner Repair Kits for preparation and cleanup!

For thinning or spraying our adhesives, we recommend adding drops of thinner as needed - up to (but not more than) 20% thinner. Tips for spraying our adhesives can be found here.

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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 Solvent Cleaner & Degreaser

  • Cuts through mold, mildew, grease, and oils
  • Removes debris quickly without soaking surfaces
  • Preps surfaces for optimal bonding with HH-66 Vinyl Cement
  • Thins HH-66 Vinyl Cement to adjust viscosity
  • Rinses tools and applicators

Since HH-66 Thinner is flammable, it should be used in a well-ventilated area.  Handle empty containers with care, as any residual solvent is flammable.

⚠ CA PROP 65 WARNING:  This product can expose you to toluene, which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

HH-66 Thinner Application Instructions

Use a brush or roller to apply a light layer of the appropriate HH-66 Thinner directly to the application.  Bond the pieces together as per the adhesive directions.

Add up to 20% HH-66 Thinner until the original consistency is reached.  Mix until evenly dispersed.

Follow the manufacturers’ recommended cleaning procedure.  It is recommended to clean the applicator immediately after use.  HH-66 Thinner is flammable and should be used in a well-ventilated area.  Handle empty containers with care as residual solvent is flammable.

Add HH-66 Thinner as needed (up to 20% thinner).  Mix until evenly dispersed.  Over-dilution can cause loss of bond strength.  A second application may be required to achieve the appropriate coverage for a good bond.

Usefulness depends on the sprayer and application.  It is not recommended to use more than 20% thinner for spraying.  With diluted adhesive, a second application may be required to achieve the appropriate coverage for a good bond.

Technical Data

  • Base:  Methyl Ethyl Ketone (MEK), Acetone, Toluene
  • Color:  Clear
  • Viscosity:  1 cP (water-like) at room temperature
  • Application:  Brush, roller, spray gun, or mix into cement
  • Vapor Density:  Heavier than air
  • Relative Density:  Lower than water
  • Temperature Limit:  95° F
  • Flash Point:  12° F
  • Shelf Life:  Best if used within 3 years of the date of manufacture when stored under recommended conditions.
  • Coverage:  Varies

⚠ CA PROP 65 WARNING:  This product can expose you to toluene, which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

NOTE:  May adversely affect some plastics and other materials.  Test first.

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