H.B. Fuller UR2175 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, High Viscosity, Room Temperature Curing

Technical Data Sheet
  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Markets
Applications
Compatible Substrates & Surfaces
Segment
Product Application
  • Use suitable 2-component metering and mixing equipment. Blend ratio is 2:1 by volume.

Properties

Appearance
White or beige high viscosity
Cured Properties
ValueUnitsTest Method / Conditions
Burn Length5inches
Aluminum (at 120°F/ 95% RH, aged 14 days)3723psi
Polycarbonate (at 120°F/ 95% RH, aged 14 days)1498psi
Aluminum3394psi
Polycarbonate1064psi
Self Extinguishing Timemax. 1sec
Hardness (for 24 hours)70 - 75ASTM D2240, Shore D
Uncured Properties
ValueUnitsTest Method / Conditions
Viscosity (at 75°F, Component A)77000cPsBrookfield RV
Viscosity (at 75°F, Component B)80000cPsBrookfield RV
Blend Ratio (by weight, Component A)100g
Blend Ratio (by weight, Component B)46.8g
Density (Blend)1.31g/cm³
Density (Component A)1.32g/cm³
Density (Component B)1.25g/cm³
Gel Time (Blend)8/15/2025min
Blend Ratio (by volume, Component A)100mL
Blend Ratio (by volume, Component B)50mL
Sag Resistance0.5

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.