The Universal Selection Source:
Adhesives Ingredients
by SpecialChem
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Pearlbond™ 223

Technical Datasheet | Supplied by Lubrizol
Pearlbond™ 223 by Lubrizol is a linear, polycaprolactone-based polyurethane designed for hot-melt adhesives. It combines an extremely high crystallization rate with a very high thermoplasticity level. Suitable for use in extrusion and powder applications where gel-free quality is required. Pearlbond™ 223 has a shelf life of 6 months.
Product Type
Polyurethanes > Thermoplastics (TPUs)
Chemical Composition
Polycaprolactone-based polyurethane
Physical Form
Product Status
Applications/ Recommended for
Adhesives > Hot-melts

Pearlbond™ 223 Properties


Value & Unit
Test Condition
Test Method
Melt Flow Index (170ºC / 2.16 Kg), ISO 1133
60 - 100 g/10 min
Density @ 20ºC, ISO 2781
1.19 g/cm3
Hardness, Shore D, ISO 868
Melt Viscosity (160ºC/ 2.16 Kg), ISO 1133
650 Pa.s
Softening range, MQSA 70A
55 - 60 °C
Melting range, MQSA 70A
64 - 68 °C
Glass transition temperature, DSC, Method B
-41 °C
Crystallization time, DSC, Method A
22 min
Minimum activation temperature, LA-17 method
60 °C
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