H.B. Fuller HL 9597/1

• Lower viscosity version of HL-9597
• Excellent stability and bonds well to difficult paper stocks
• Aggressive tack makes it very effective for bookbinding
• Wide service temperature range
• Excellent flexibility
• Exhibits resistance to solvents and inks after curing

Typical Applications

• Bookbinding industry

• Bonded assemblies including darkly colored materials

Curing Conditions

• To obtain complete cure, this product should be exposed to temperatures and relative humidity conditions equal to or greater than +77°F and 50% relative humidity.

• For adhesive film thicknesses 0.020 inches or less, cure typically is completed in 7 days at +77°F and 50% relative humidity.

• Complete cure of this product will take longer at conditions less than +77°F and 50% relative humidity.

• Cure rates and completeness of cure will vary with adhesive film thickness and substrates' water permeability.

Application Instructions

• Warning : Application temperature must not exceed 300°F. Fumes and particulates containing excess isocyanates may be generated.

• This adhesive is designed to be used with platen or reservoir-type melters that will dispense adhesive from 5-gallon pails and 55-gallon drums.

• This product is designed to have less than a two-fold increase in viscosity over 12 hours at normal application temperature in the absence of moisture.

Cleaning Instructions

• To clean up spilled adhesive, allow the adhesive to cool to room temperature and scrape off heavy deposits with a putty knife.

• Any uncured residual film may be wiped clean with a common polyurethane solvent (Toluene, MEK).

• Clean up adhesive before it cures.

• Consult the equipment manufacturer for any cleanup procedures.