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Lubrizol Advanced Materials PEARLBOND® 508 Linear Thermoplastic Polyurethane

Category Polymer , Thermoplastic , Polyurethane, TP
Manufacturer Lubrizol Advanced Materials Manufacturing S. S.L. (Former Merquinsa)
Trade Name Pearlbond®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lubrizol Advanced Materials PEARLBOND® 508 Linear Thermoplastic Polyurethane.pdf
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Material Notes:
Pearlbondâ„¢ 508 is a linear, polycaprolactone-copolyester polyurethane, supplied in form of white spherical granules, with a high crystallization rate and a medium thermoplasticity level.Application: Pearlbondâ„¢ 508 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 7.50e+6 cP

@Temperature 130 °C
7.50e+6 cP

@Temperature 266 °F
Melt; ISO 1133
Melt Flow 40 - 90 g/10 min

@Load 2.16 kg,
Temperature 170 °C
40 - 90 g/10 min

@Load 4.76 lb,
Temperature 338 °F
ISO 1133
Thermal Properties Metric English Comments
Melting Point 73.0 - 77.0 °C
163 - 171 °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) 17-23
MQSA 12 B
Thermoplasticity Medium
MQSA 68 A
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