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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Pearlbond™ 539

Technical Datasheet | Supplied by Lubrizol
Pearlbond™ 539 by Lubrizol is a linear, polycaprolactone-copolyester polyurethane. Possesses a very high crystallization rate and a very high thermoplasticity level. It is supplied in form of white spherical granules. Pearlbond™ 539 can be added to formulations of reactive polyurethane hot-melts (HMPUR) to improve the crystallization speed.
Product Type
Polyurethanes > Thermoplastics (TPUs)
Chemical Composition
Polycaprolactone-copolyester polyurethane
Physical Form
Granules, Spherical
Product Status
Applications/ Recommended for
Adhesives > Reactive systems > Hot-Melts (HMPUr)

Pearlbond™ 539 Properties


Value & Unit
Test Condition
Test Method
Melt Flow Index @ 170ºC, 2.16 Kg, ISO 1133
150 - 200 g/10 min
Density @ 20°C, ISO 2781
1.19 g/cm3
Melt Viscosity @ 130°C, ISO 1133
170 Pa.s

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