H.B. Fuller HL6737

H.B. Fuller HL6737 is a foamable hot melt sealant designed for the appliance industry. It features excellent foam density reduction and, upon application forms a hard, resilient foam sealant. It has been specifically designed to be used in the appliance industry.

Chemical FamilyPolyalphaolefins (PAO), Polyolefins

Product TypeFoamable Adhesive, Hot Melt Adhesive, Hot Melt Sealant

Application AreaAppliances

Compatible Substrates & SurfacesAcrylonitrile Butadiene Styrene (ABS), Metal


Technical Data Sheet

Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Application and Cleaning Instructions

Typical equipment: A hot melt application equipment capable of maintaining the suggested adhesive temperature noted above and appropriate for the application. An inert nitrogen blanket is suggested (not required).

General application:

  • Purge the previous hot melt adhesive from the equipment.
  • Set the equipment temperature to the suggested settings above.
  • Adjust the pump pressure for the desired adhesive amount.
  • The open and set time characteristics may be modified with small adjustments to the amount of the applied adhesive and equipment temperature settings. Cleaning: Consult the equipment manufacturer for cleanup procedures.


Physical Form
Light yellow solid
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (at 325°F)8400.0cP
Softening Point320.0°F
Application Temperature335.0°F

Safety & Health

Safety Advice

To minimize the risk of burns, we recommend the use of eye protection and protective clothing when working near a hot melt applicator. To minimize the risk of flammable vapors, do not exceed a melt temperature above 400 °F. Prevent the build-up of vapors. Extinguish all sources of ignition during hot melt use.

Packaging & Availability

Regional Availability
  • Latin America
  • North America

Storage & Handling

Shelf Life
2 Years
Storage Conditions

Clean and dry conditions above 20°F and below 120°F in the original container.