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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Pearlbond™ 508

Technical Datasheet | Supplied by Lubrizol
Pearlbond™ 508 by Lubrizol is a linear, polycaprolactone-copolyester polyurethane. It is supplied in form of white spherical granules. It possesses a high crystallization rate and a medium thermoplasticity level. Pearlbond™ 508 is recommended for use in formulations of reactive hot-melts to improve 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)
Labels/Agency Rating

Pearlbond™ 508 Properties


Value & Unit
Test Condition
Test Method
Melt Flow Index @ 170ºC, 21.6 Kg, ISO 1133
40 - 90 g/10 min
Density @ 20°C, ISO 2781
1.19 g/cm3
Melt Viscosity @ 130°C, ISO 1133
7500 Pa.s

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