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 Family: Polyalphaolefins (PAO), Polyolefins

Product Type: Foamable Adhesive, Hot Melt Adhesive, Hot Melt Sealant

Application Area: Appliances

Compatible Substrates & Surfaces: Acrylonitrile Butadiene Styrene (ABS), Metal

Features: Resilient

Technical Data Sheet
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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.