Electrolube Black Polyurethane Resin, 250g

Electrolube Black Polyurethane Resin, 250g PRODUCT: ELEUR5604RP250GE
Electrolube Black Polyurethane Resin, 250g
$31.06 (EX GST)
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UR5604 is a two-part, high performance polyurethane especially formulated for potting and encapsulating. It is ideal as a general purpose resin also offering UL approval.
General purpose polyurethane resin; ideal for a wide variety of challenging environments
UL approved to UL94 V-0; high level of flame retardancy
Low mixed system viscosity; ensures quick and efficient potting processes
Excellent adhesion to a wide variety of substrates
RoHS Compliant (2015/863/EU): Yes
UL Approval: UL94 V-0 (File: E100107)
Package Size: 250grams
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 15ºC, Below 35ºC
Shelf Life: 12 months
Exotherm (Measured on 100ml sample in a cylinder of diameter 49.4mm @ 23ºC): < 35ºC
Shrinkage < 1%

Cured System: Thermal Conductivity (W/m.K) 0.45
Cured Density (g/ml) 1.54
Temperature Range (°C) -40 to +130
Max Temperature Range (Short Term (°C)/30 mins) (Application and Geometry Dependent): +155
Weight Loss after 600 Hours @ 155ºC: 7%
Dielectric Strength (kV/mm): 18
Volume Resistivity (ohm-cm): 10-14
Shore Hardness (@ 23ºC): A75/D25
(@ -77ºC): D80
(@ -60ºC): D80
Hardness after 600 Hours @ 155ºC A92
Colour (Mixed System) Black
Flame Retardancy Yes
Loss Tangent @ 50 Hz 0.015
Permittivity @ 50 Hz 4.90
Comparative Tracking Index >600 Volts
Water Absorption (9.7mm thick disk, 51mm diameter) 10 days @ 20ºC / 1 hour @ 100ºC: <0.5% / <1%
Elongation At Break: Not Measured

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