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Lubrizol Estane® GP 55DB Thermoplastic Polyurethane
Categories:
Polymer
;
Thermoplastic
;
Polyurethane, TP
Material Notes:
Type: Estane® GP 55DB is an aromatic polyester-based thermoplastic polyurethane (TPU).
Features: Translucent spherical pellets.
Uses: Injection molding parts
Information provided by The 159 Corporation
Vendors:
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Physical Properties
Metric
English
Comments
Specific Gravity
1.23
g/cc
1.23
g/cc
ISO 2781
Maximum Moisture Content
0.050
0.050
Melt Flow
20
-
35
g/10 min
@Load 8.70 kg,
Temperature 210 °C
20
-
35
g/10 min
@Load 19.2 lb,
Temperature 410 °F
Mechanical Properties
Metric
English
Comments
Hardness, Shore D
54
54
ISO 868
Tensile Strength
48.0
MPa
6960
psi
ISO 527
Elongation at Break
530 %
530 %
ISO 527
Modulus of Elasticity
0.110
GPa
16.0
ksi
ISO 527
50% Modulus
13.0
MPa
@Strain 50 %
13.0
MPa
@Strain 50 %
100% Modulus
16.5
MPa
@Strain 100 %
2390
psi
@Strain 100 %
300% Modulus
27.5
MPa
@Strain 300 %
3990
psi
@Strain 300 %
Tear Strength
114
kN/m
650
pli
Nicked; ISO 34-1B
170
kN/m
970
pli
Unnicked; ISO 34-1B
Abrasion
40
40
[mm3]; ISO 4649
Compression Set
25 %
@Temperature 22.0 °C,
Time 252000 sec
25 %
@Temperature 71.6 °F,
Time 70.0 hour
ISO 815
42 %
@Temperature 70.0 °C,
Time 86400 sec
42 %
@Temperature 158 °F,
Time 24.0 hour
ISO 815
Thermal Properties
Metric
English
Comments
Vicat Softening Point
124
°C
255
°F
A50; ISO 306
Processing Properties
Metric
English
Comments
Feed Temperature
40.0
°C
104
°F
Nozzle Temperature
205
°C
401
°F
Zone 1
195
-
205
°C
383
-
401
°F
Zone 2
205
-
215
°C
401
-
419
°F
Zone 3
210
-
220
°C
410
-
428
°F
Zone 4
205
-
215
°C
401
-
419
°F
Drying Temperature
100
°C
@Time 7200 - 10800 sec
212
°F
@Time 2.00 - 3.00 hour
Dew Point
-30.0
°C
-22.0
°F
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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PLUBR5023 / 238893
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