H.B. Fuller® HL-3338

1 of 596 products in this brand
H.B. Fuller® HL-3338 is a hot melt adhesive formulated for bookbinding. This adhesive provides excellent bonding for paper substrates, offering high performance and durability in bookbinding applications. It is used in various markets, including printing and packaging, and is ideal for applications requiring strong, flexible bonds.

RTU Product Type: Hot Melt Adhesive

Application Area: Book Binding

Compatible Substrates & Surfaces: Paper

Features: Excellent Low Temperature Properties, Good Adhesion, Low Application Temperature

Technical Data Sheet
  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Product Benefits
  • Low application temperature
  • Good low temperature properties
  • Excellent adhesion to most difficult paper stocks
Product Benefits
  • Low application temperature
  • Good low temperature properties
  • Excellent adhesion to most difficult paper stocks

Applications & Uses

Markets
Applications
Application Area
Compatible Substrates & Surfaces
Application Instruction

Suggested application temperature: 300°F

Suitable Substrates

Variety of paper stocks.

Product Applications

Bookbinding: One-shot spine gluing.

Applications and Usage Information
  • Bookbinding: One-shot spine gluing.
  • Suggested application temperature: 300°F
  • Cleaning Instructions Consult the equipment manufacturer for cleanup procedures. After clean-up, flush the applicator thoroughly with hot melt to purge the system.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Molten Color4 - 8-Gardner
Color (molten)4 - 8-Gardner
Softening Point157 - 167°FMettler
PAFT (100-gram oven peel)120 - 130°F-
Shear Adhesion Failure Tester (500-gram oven shear)144 - 154°F-
Mettler Softening Point157 - 167°F-
Cold Crack Temperature35°F-
Viscosity (at 325°F)1525cPs-
Viscosity (at 300°F)2275cPs-
Viscosity (at 275°F)3630cPs-
Viscosity (at 350°F)884 - 1196cPs-
Speed of Set (relative)Slow--
Suitable Substrates

Variety of paper stocks.

Safety & Health

Safety Information

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
  • North America

Storage & Handling

Shelf Life
730 days
Storage Conditions

Clean and dry conditions below 140°F.

Storage and Shelf Life Conditions
  • Clean and dry conditions below 140°F
  • Shelf Life: 730 days