UR5604 Black Polyurethane Resin

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UR5604 is a two part, high performance, general purpose polyurethane potting and encapsulation resin. Its a good all round resin suitable for a huge range of applications.

It maintains good flexibility, even at low temperatures, while its low viscosity once mixed makes the potting process quick and efficient.

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Approvals: RoHS Compliant (2015/863/EU): Yes
UL Approval: UL94 V-0 (File: E100107)
Typical Properties
Liquid Properties: Base Material Polyurethane
Density Part A – Resin (g/ml) 1.62
Density Part B – Hardener (g/ml) 1.21
Part A Viscosity (mPa s @ 23ºC) 20000
Part B Viscosity (mPa s @ 23ºC) 50
Mixed System Viscosity (mPa s @ 23ºC) 2000
Mix Ratio (Weight) 5.21:1
Mix Ratio (Volume) 3.88:1
Usable Life (20°C) 40 mins
Gel Time (23°C) 90 mins
Cure Time (23 °C) 24 hours
Cure Time (60 °C) 3 hours
Colour Part A – Resin Black
Colour Part B – Hardener Brown
Storage Conditions Dry Conditions: Above 20ºC, Below 30ºC
Shelf Life 12 months
Exotherm
(Measured on 100ml sample in a cylinder of diameter 49.4mm @ 23ºC) < 35ºC
Shrinkage < 1%

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