ELANTAS UF-3

Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

ELANTAS UF-3

Main features

  • Room-Temperature Foam Cure
  • Expanding Electronic Void Fill
  • Assembly-Conforming Foam Packaging

Product Description

CONATHANE UF-3 Polyurethane Foam is a room-temperature-curing polyurethane foam for packaging electronic components and assemblies. After mixing, the material expands to fill available void spaces around protected hardware, creating a foam-format packaging layer within the assembly. This expansion behavior supports coverage of available cavities and void spaces during cure. UF-3 is suited to electronic packaging and void-filling operations where a two-component expanding polyurethane system is required to occupy open space and cure around components at room temperature.

Key features

  • Expanding Void Fill: The polyurethane system expands during cure to occupy available spaces around hardware.
  • Room-Temperature Cure: UF-3 develops its foam structure through an ambient cure process.
  • Electronic Packaging Use: The product is intended for packaging components and complete electronic assemblies.

Applications / Suitable for

  • Packaging electronic components
  • Protecting electronic assemblies
  • Filling void spaces around hardware
Product Family

ELANTAS UF-3

Loading pricing…
TDS, SDS & Technical Documents

Technical Specifications

Chemical Properties
Water Absorption
0.6 %
General Properties
Vapor Pressure
10^-3 mmHg
Electrical Properties
Dielectric Strength
Dielectric strength is measured in kV per mm and is calculated by the Breakdown voltage divided by the thickness of the tested material. Those two properties go hand in hand and while Breakdown voltage is always thickness dependent, dielectric strength is a general material property. As an example, the dielectric strength of Polyimide is 236 kV/mm. If we place 1mm of Polyimide between two electrodes, it will act as an insulator until the voltage between the electrodes reaches 236 kV. At this point it will start acting as a good conductor, causing sparks, potential punctures and current flow.
2.36 kV/mm

Additional Information

Technical properties

As-supplied / before-processing properties

Typical liquid-component properties prior to mixing and foaming.

Property Value Unit Method / condition
Specific Gravity 1.22 - Part A, 25°C
Specific Gravity 1.05 - Part B, 25°C
Brookfield Viscosity 200 cP Part A, 25°C
Brookfield Viscosity 7500 cP Part B, 25°C
Mix Ratio (A:B) 100:90 by weight Recommended processing ratio
Shelf Life 18 months Original unopened containers
Technical properties

After-processing / final-state properties

Typical cured foam properties. Samples cured for 1 hour at 60°C.

Property Value Unit Method / condition
Density 7.6 lb/ft³ Free-blown foam
Compressive Strength 180 psi 25°C
Closed Cells 95 % Typical value
Water Absorption 0.6 % 24-hour immersion at 25°C
Dielectric Strength 60 V/mil Typical value
Thermal Conductivity (K-Factor) 0.26 BTU/hr·ft²·°F/in Typical value

Leading Brands Trust in Our Products and Services

Products that Perform| Knowledge that Serves| Service that Delivers