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  4. CoolTherm® UR 2000 Thermally Conductive Urethane Gap Filler

Products and Solutions

CoolTherm® UR-2000 Thermally Conductive Urethane Gap Filler Where to Buy

Product Information Typical Properties Literature

Product Information

LORD CoolTherm® UR-2000 gap filler is a two-component thermally conductive urethane system designed to provide excellent thermal conductivity for electronic applications. CoolTherm UR-2000 gap filler cures at room temperature to produce a flame retardant, compliant material.

Shelf Life

Shelf life of each component is six months when stored in a clean, dry environment at 18-30°C in original, unopened container.

After opening, protect each component from exposure to moisture by using dry nitrogen as an inert cover each time material is removed. Do not return dispensed material to its original container.

Features and Benefits

Thixotropic Viscosity – maintains low viscosity during dispensing, with minimal flow after dispensing.

UL Rated – provides excellent flame retardancy; meets requirements of UL 94 V-0 standards.

Room Temperature Cure – suitable for curing at room temperature; may be heat cured (120°C) to expedite cure.

Durable – provides excellent adhesion to powder-coated and e-coated aluminum surfaces; excellent resistance to peel from PET film and aluminum-coated PET substrates.

Uncured Typical Properties*

Mixed Appearance Pink Paste
Mixed Viscosity, cP @ 30°C 0.5/sec Shear Rate = 500,000
1/sec Shear Rate = 400,000
5/sec Shear Rate = 220,000
Working Life, minutes @ 25°C 85

Cured Typical Properties*

Thermal Conductivity, W/m·K 2
Glass Transition Temperature (Tg), °C 20
Hardness, Shore D 55
Lap Shear Strength, MPa (psi) Powder-coated Aluminum = 6 (870)
E-coated Steel = 9 (1305)
180° Peel Strength, gf/cm Bare PET, 0.25 mm = 2000
Aluminum-coated PET = 600
Volume Resistivity, ohm-cm 1 x 1013
Dielectric Strength, kV/mm (V/mil) 15 (381)

CoolTherm UR-2000 Resin - Typical Properties*

Appearance Red to Pink Paste
Viscosity, cP @ 25°C 0.5/sec Shear Rate = 1,200,000
1/sec Shear Rate = 745,000
5/sec Shear Rate = 305,000
Specific Gravity 2.3

CoolTherm UR-2000 Hardener - Typical Properties*

Appearance White Paste
Viscosity, cP @ 30°C 0.5/sec Shear Rate = 1,250,000
1/sec Shear Rate = 780,000
5/sec Shear Rate = 270,000
Specific Gravity 2.8

*Data is typical and not to be used for specification purposes.

Literature

Download Type Name
Download
Safety Data Sheet COOLTHERM UR-2000 RESIN
Download
Safety Data Sheet COOLTHERM UR-2000 HARDENER
Download Technical Data Sheet CoolTherm UR-2000 Thermally Conductive Urethane Gap Filler

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