H.B. Fuller UR2179 is a two-part, flame-retardant polyurethane adhesive system designed to withstand sustained loads. It is ideal for bonding metals, as well as plastics, including composites, acrylics, and polycarbonate.

Product Type: 2K (2 component) Adhesive

Compatible Substrates & Surfaces: Acrylic, Composites, Metal, Plastics, Polycarbonate (PC)

Chemical Family: Polyurethanes (PU)

Features: Flame Retardant, Medium Viscosity, Room Temperature Curing

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Product Highlights
  • Self-extinguishing material
  • Bonds to plastic and metal substrates
  • Available in dual barrel cartridge for easy dispensing
  • Does not contain UV328

Applications & Uses

Properties

Cured Properties
ValueUnitsTest Method / Conditions
Elongation9.26%ASTM D638
Burn Length5inches
Aluminum (at 120°F/ 95% RH, aged 14 days)2848.98psi
Polycarbonate (at 120°F/ 95% RH, aged 14 days)1092.88psi
Tensile Strength2150.91psiASTM D638
Young’s Modulus65941.41psiASTM D638
Aluminum2863.51psi
Polycarbonate925.81psi
Self Extinguishing Timemax. 1sec
Hardness (for 24 hours)70 - 75ASTM D2240, Shore D
Uncured Properties
ValueUnitsTest Method / Conditions
Viscosity (at 75°F, Component A)28000cPsBrookfield RV
Viscosity (at 75°F, Component B)3800cPsBrookfield RV
Blend Ratio (by weight, Component A)100g
Blend Ratio (by weight, Component B)46.3g
Density (Blend)1.3g/cm³
Density (Component A)1.31g/cm³
Density (Component B)1.22g/cm³
Gel Time (Blend)22min
Blend Ratio (by volume, Component A)100mL
Blend Ratio (by volume, Component B)50mL

Packaging & Availability

Country Availability
Regional Availability
  • Africa
  • Europe (Excluding Russia)
  • India
  • Middle East

Storage & Handling

Shelf Life
365 days (Component A), 180 days (Component B)
Storage Conditions
  • Components should be stored in a cool, dry area. The B-component should be kept in a tightly sealed container flushed with nitrogen.