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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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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
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Viscosity
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Cure Time
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Linear Mold Shrinkage
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Density
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Water Absorption
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Water Absorption
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Thermal Properties

Value & Unit
Test Condition
Test Method
Cure Temperature
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Thermal Conductivity
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Maximum Service Temperature, Air
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Service Temperature Range
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Electrical Properties

Value & Unit
Test Condition
Test Method
Dielectric Strength
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Volume Resistivity
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Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore
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Elongation at Break
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Tensile Modulus
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Optical Properties

Value & Unit
Test Condition
Test Method
Refractive Index
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Flammability Properties

Value & Unit
Test Condition
Test Method
Flame Rating, UL 94
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Last edited Aug 19, 2018
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