H.B. Fuller HL2081

H.B. Fuller HL2081 is a pressure-sensitive hot melt adhesive with high heat resistance, aggressive adhesion, and excellent cohesive strength that bonds well to low surface energy substrates. It is often used in industrial labeling, hook and lop, automotive interior attachments, tape constructions, and industrial assembly. H.B. Fuller HL2081 bonds well to most plastics, polyolefins, polypropylene, high density polyethylene, low density polyethylene, and most paper stock.

Chemical Family: Polyolefins

Product Type: 1K (1 component) Adhesive, Hot Melt Adhesive, Pressure Sensitive Adhesive, Reactive Adhesive

Application Area: Automotive Interior Trim, HVAC Applications

Compatible Substrates & Surfaces: Film, Paper, Plastics, Polyethylene (PE), Polyolefins, Polypropylene (PP)

Features: Excellent Substrate Adhesion, Good Adhesion, Good Peeling Strength, Heat Resistance, High Cohesive Strength, High Strength, Very Good Heat Resistance

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Applications & Uses

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. First drain as much molten material as possible from the line. Then flush the unit with paraffin or a product that is recommended by the equipment manufacturer.

Properties

Physical Form
Appearance
Off white liquid
Material Specifications
ValueUnitsTest Method / Conditions
Solid Content100.0%-
Flash Point455.0°FASTM D3461
Application Temperature350.0°F-
Peel Strength (180° peel, 60 sec/75ºF, 1 mil)7.0Ib/in-
Tack Loop90.0oz-
Polyken Tack1500.0g/cm²-
Rheological Properties
ValueUnitsTest Method / Conditions
Viscosity (at 300°F)117500.0cP-
Viscosity (at 325°F)33500.0cP-
Viscosity (at 350°F)13750.0cP-

Packaging & Availability

Regional Availability
  • Latin America
  • North America

Storage & Handling

Shelf Life
24 Months
Storage Conditions

Store in a cool, dry place at a temperature above 20°F and below 120°F in the original container.