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Plastics & Elastomers

UR5641

Technical DataSheet | Supplied by Electrolube

UR5641 by Electrolube is a two-part, semi-rigid, optically clear, flame retardant polyurethane resin. It is halogen-free, extremely durable and a low viscosity system. Exhibits water white transparency, excellent resistance to yellowing and UV light. It is based upon aliphatic urethane chemistry making it useful for both exterior and interior applications. Offers high resistance to weather, acids, alkalis, water and mold growth. UR5641 is suitable for the protection of LED luminaires exposed to hazardous atmospheres, such as emergency lighting, or lighting intended for installation in ATEX rated/zoned environments. Complies with RoHS-2 (2015/863/EU) and meets UL94 V-0.

UR5641 Product details

Product Type
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Appearance
Transparent
Product Launch Date
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Product Status
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Applications/ Recommended for
Optics > LED (Light-Emitting Diode)
Labels/Agency Rating
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Key Features
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  • xxxxxxx
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UR5641 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Density
1.14 g/cm³
( Part A - Resin )
Density
1.13 g/cm³
( Part B - Hardener )
Viscosity
xxx mPa s
xxxxxxxxxx
Viscosity
xxxx mPa s
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Cure Time
xx hrs
Linear Mold Shrinkage
x °C
Density
xxxx g/ml
xxxxx
Water Absorption
xxx %
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Water Absorption
xxx %
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Thermal Properties

Value & Unit
Test Condition
Test Method
Cure Temperature
xx °C
Thermal Conductivity
xxxx W/m.K
xxxxx
Maximum Service Temperature
xxx °C
xxxxxxxxxx
Service Temperature Range
xxxxxxxxx °C
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Electrical Properties

Value & Unit
Test Condition
Test Method
Dielectric Strength
xx kV/mm
xxxxx
Volume Resistivity
xxxxxxxxxx ohm-cm
xxxxx

Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore
xx
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Elongation at Break
xx %
xxxxx
Tensile Modulus
xxx MPa
xxxxx

Optical Properties

Value & Unit
Test Condition
Test Method
Refractive Index
xxxxx N20D
xxxxx

Flammability Properties

Value & Unit
Test Condition
Test Method
Flame Rating, UL 94
xxx mm/min
xxxxx
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Last edited Apr 13, 2018
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