Pearlbond™ ECO D900

About
Pearlbond™ ECO D900 is a linear, aromatic polyurethane based on specialty polyol from renewable sources. It contains 67% of renewable material as certified according to ASTM-D6866. It is supplied in form of small white or lightly yellowish granules, which combines a very extremely high crystallization rate with a very high thermoplasticity level. It is used for Hot Melt adhesives. APPLICATIONS Pearlbond™ ECO D900 is mainly used for textile coating for making shoe-stiffeners (toe puffs & counters), by extrusion or sintering process. Pearlbond™ ECO D900 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.&&

Product Description
SupplierLubrizol Advanced Materials
GenericTPU
Material StatusCommercial: Active
FeaturesGood heat sealing,Renewable resources,Aromatic,Linear polymer structure
AvailabilitysNorth America,Europe
Process MethodsExtrusion

Technical Data
MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D52 ISO 868

THERMALNominal valueUnitTest method
Melting temperature80.0 to 85.0Internal Method

Supplementary informationNominal valueUnitTest method
Crystallization rateExtremely High Internal Method
Renewable Content67%ASTM D6866
Softening range70 to 80Internal Method
ThermoplasticityVery High Internal Method

PHYSICALNominal valueUnitTest method
Density
20℃1.19g/cm³ISO 2781
Melt Flow Rate
170℃,2.16kg30 to 60g/10minISO 1133
Apparent viscosity of melt
160℃930Pa·sISO 1133

Process Conditions
ExtrusionNominal valueUnitTest method
Barrel 1 zone temperature90°C
Barrel 2 zone temperature100 to 120°C
Barrel 3 zone temperature100 to 120°C
Barrel 4 zone temperature100 to 120°C
Nozzle temperature100 to 120°C
Extruder screw length to diameter ratio L / D25.0:1.0 
Extruder screw compression ratio3.0:1.0 

Notes
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