About |
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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 | |
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Supplier | Lubrizol Advanced Materials |
Generic | TPU |
Material Status | Commercial: Active |
Features | Good heat sealing,Renewable resources,Aromatic,Linear polymer structure |
Availabilitys | North America,Europe |
Process Methods | Extrusion |
Technical Data | |||
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MECHANICAL | Nominal value | Unit | Test method |
Shore hardness | |||
Shaw’s D | 52 | ISO 868 |
THERMAL | Nominal value | Unit | Test method |
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Melting temperature | 80.0 to 85.0 | ℃ | Internal Method |
Supplementary information | Nominal value | Unit | Test method |
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Crystallization rate | Extremely High | Internal Method | |
Renewable Content | 67 | % | ASTM D6866 |
Softening range | 70 to 80 | ℃ | Internal Method |
Thermoplasticity | Very High | Internal Method |
PHYSICAL | Nominal value | Unit | Test method |
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Density | |||
20℃ | 1.19 | g/cm³ | ISO 2781 |
Melt Flow Rate | |||
170℃,2.16kg | 30 to 60 | g/10min | ISO 1133 |
Apparent viscosity of melt | |||
160℃ | 930 | Pa·s | ISO 1133 |
Process Conditions | |||
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Extrusion | Nominal value | Unit | Test method |
Barrel 1 zone temperature | 90 | °C | |
Barrel 2 zone temperature | 100 to 120 | °C | |
Barrel 3 zone temperature | 100 to 120 | °C | |
Barrel 4 zone temperature | 100 to 120 | °C | |
Nozzle temperature | 100 to 120 | °C | |
Extruder screw length to diameter ratio L / D | 25.0:1.0 | ||
Extruder screw compression ratio | 3.0:1.0 |
Notes |
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