Pearlbond™ 121

Category: TPU-Capro , Thermoplastic Polyurethane Elastomer (Polycaprolactone)
Manufacturer: Lubrizol Advanced Materials, Inc.
Trademark: Pearlbond™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: lWQnHn_Pearlbond-121.pdf
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Pearlbond® 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.

Pearlbond® 121 is mainly used for textile coating for making shoe-stiffeners (toe puffs & counters), by extrusion or sintering process.
Pearlbond® 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.
General Information
Features
  • Crystalline
  • Good Adhesion
  • Heat Sealable
Uses
  • Adhesives
  • Coating Applications
  • Fabrics
  • Footwear
  • Textile Applications
Agency Ratings
  • EC 1907/2006 (REACH)
Appearance
  • White
Forms
  • Granules
Processing Method
  • Coating
  • Scatter Coating
PhysicalNominal ValueUnitTest Method
Density (20°C)1.19g/cm³ISO 2781
Melt Mass-Flow Rate (MFR) (170°C/2.16 kg)30 to 60g/10 minISO 1133
HardnessNominal ValueUnitTest Method
Shore Hardness (Shore D)54ISO 868
ThermalNominal ValueUnitTest Method
Melting Temperature 63.0 to 67.0°CInternal Method
Fill AnalysisNominal ValueUnitTest Method
Apparent Viscosity 1(160°C)380Pa·sISO 1133
Additional InformationNominal ValueUnitTest Method
Crystallization Rate Extremely HighInternal Method
Softening Range 55 to 60°CInternal Method
Thermoplasticity Very HighInternal Method
Note Message
1 .2.16 Kg
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