Bjorn thorsen

Technical datasheet

Pearlbond™ 503

Supplied byBjørn Thorsen- Last Updated on Feb 24, 2026

Pearlbond™ 503 distributed by Bjørn Thorsen is a linear, polycaprolactone-copolyester polyurethane. Exhibits high crystallization rate and very high thermoplasticity level. Pearlbond™ 503 is suitable for formulations of reactive polyurethane hot-melts (HMPUR).
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For which system

Adhesives|
Reactive Systems|
Hot-melt Adhesives

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Pearlbond™ 503 properties

Other properties

PropertiesValue & unitTest conditionTest method
Crystallization Time0.0 Visible After LoginVisible After LoginVisible After Login
Density0.0 Visible After LoginVisible After LoginVisible After Login
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Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
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Viscosity, Melt0.0 Visible After LoginVisible After LoginVisible After Login