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Lubrizol Advanced Materials PEARLBOND® 121 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® 121 Linear Thermoplastic Polyurethane.pdf
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Material Notes:
Pearlbondâ„¢ 121 is a linear, polycaprolactone-based polyurethane, supplied in form of small white granules, which combines an extremely high crystallization rate with a very high thermoplasticity level. It is used for Hot Melt adhesives.Application: Pearlbondâ„¢ 121 is mainly used for textile coating for making shoe-stiffeners (toe puffs & counters), by extrusion or sintering process. Pearlbondâ„¢ 121 can be used for making heat-sealable fabrics (thermobonding), obtained by coating processes such as scattering or dot-coating (powder or paste). In all cases, the product is previously ground into powder, by cryogenic grinding. The particle size of the powder will depend on the application technique to be used.
Physical Properties Metric English Comments
Density 1.19 g/cc
0.0430 lb/in³
ISO 2781
Viscosity 380000 cP

@Temperature 160 °C
380000 cP

@Temperature 320 °F
Melt viscosity @ 2.16 kg; 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
PMES11
Mechanical Properties Metric English Comments
Hardness, Shore D 54
54
ISO 868
Thermal Properties Metric English Comments
Melting Point 63.0 - 67.0 °C
145 - 153 °F
MQSA 70 A
Softening Point 55.0 - 60.0 °C
131 - 140 °F
MQSA 70 A
Descriptive Properties Value Comments
Crystallization rate (minutes) Very high
MQSA 12 B
Thermoplasticity Very high
MQSA 68 A
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