Lubrizol Advanced Materials PEARLBOND® 521 Linear Thermoplastic Polyurethane

Category	Polymer , Thermoplastic , Polyurethane, TP
Manufacturer	Lubrizol Advanced Materials Manufacturing S. S.L. (Former Merquinsa)
Trade Name	Pearlbond®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Lubrizol Advanced Materials PEARLBOND® 521 Linear Thermoplastic Polyurethane.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Pearlbond™ 521 is a linear, polycaprolactone-copolyester polyurethane, supplied in form of white spherical granules with a very high crystallization rate and a very high thermoplasticity level.Application: Pearlbond™ 521 can be added to formulations of REACTIVE POLYURETHANE HOT-MELTS (HMPUR), in order to improve the crystallisation speed.

Physical Properties	Metric	English	Comments
Density	1.19 g/cc	0.0430 lb/in³	ISO 2781
Viscosity	760000 cP @Temperature 130 °C	760000 cP @Temperature 266 °F	Melt; ISO 1133
Melt Flow	30 - 60 g/10 min @Load 2.16 kg, Temperature 170 °C	30 - 60 g/10 min @Load 4.76 lb, Temperature 338 °F	ISO 1133

Thermal Properties	Metric	English	Comments
Melting Point	63.0 - 67.0 °C	145 - 153 °F	MQSA 70 A

Chemical Properties	Metric	English	Comments
Total Base Number	<= 3.0	<= 3.0	mg KOH/g; MQSA 47 A

Processing Properties	Metric	English	Comments
Moisture Content	<= 0.15 %	<= 0.15 %	MQSA 44

Descriptive Properties	Value	Comments
Crystallization rate (minutes)	9 - 11	MQSA 12 B
Thermoplasticity	Very high	MQSA 68 A

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