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Adhesives Ingredients
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Adhesives Ingredients
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Pearlbond™ 523

Technical Datasheet | Supplied by Lubrizol
Pearlbond™ 523 by Lubrizol is a linear, polycaprolactone-copolyester polyurethane. It possesses a very high crystallization rate and a very high thermoplasticity level. Pearlbond™ 523 is recommended for use in formulations of reactive polyurethane hot-melts (HMPUR) in order to improve crystallization speed.
Product Type
Polyurethanes > Thermoplastics (TPUs)
Chemical Composition
Polycaprolactone-copolyester polyurethane
Physical Form
Granules, Spherical
Appearance
White
Product Status
COMMERCIAL
Applications/ Recommended for
Adhesives > Reactive systems > Hot-Melts (HMPUr)
Labels/Agency Rating
EINECS, TSCA

Pearlbond™ 523 Properties

Property

Value & Unit
Test Condition
Test Method
Melt Flow Index @170ºC / 2.16 Kg, ISO 1133
60 - 100 g/10 min
Density @ 20°C, ISO 2781
1.19 g/cm3
Melt Viscosity @ 130°C, ISO 1133
380 Pa.s

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