UR5123 Thixotropic Polyurethane Resin

In Stock

UR5123 is a polyurethane potting compound which has been formulated for the specialist protection of units operating in extreme environments such as military, aerospace and automotive electronics. It is an ultra-high performance resin, offering excellent characteristics as well as toughness and tear resistance. UR5123 is also an ideal choice for marine applications where the electronics will be exposed to fresh or sea water, or even completely submerged as it has a low water absorption and high resistance to water.


Approvals RoHS Compliant (2015/863/EU): Yes
UL Approval: No
Typical Properties
Liquid Properties: Base Material Polyurethane
Density Part A – Resin (g/ml) 0.9
Density Part B – Hardener (g/ml) 1.22
Part A Viscosity (mPa s @ 23ºC) Thixotropic
Part B Viscosity (mPa s @ 23ºC) 150
Mixed System Viscosity (mPa s @ 23ºC) Thixotropic
Mix Ratio (Weight) 2.88:1
Mix Ratio (Volume) 3.9:1
Usable Life (20°C)* 10-15 mins
Usable Life (40°C)* 5-8 mins
Gel Time (20°C)* 40-45 mins
Gel Time (40°C)* 30-35 mins
Cure Time (23 °C)* 36 hours
Colour Part A – Resin Black
Colour Part B – Hardener Brown
Storage Conditions Dry Conditions: Above 15ºC, Below 30ºC
Shelf Life 12 months
(Measured on 100ml sample in a cylinder of diameter 49.4mm @ 23ºC) < 35ºC
Shrinkage < 1%
* Dependent upon quantity and temperature; these figures are typical of 150g mass.

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