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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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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.
Product Type
PUR (Thermoset Polyurethane Resin)
Product Launch Date
Mar 28, 2018

UR5641 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
1.14 g/cm³
(Part A - Resin)
1.13 g/cm³
(Part B - Hardener)
250 mPa s
(Part A, 23ºC)
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