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> Reworkability – HIPS/PP/Tuftec™ P2000 |
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December
12, 2001
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Reworkability
– HIPS/PP/Tuftec™ P2000
The Asahi Kasei Chemicals modifiers,
with their composition of two or more different polymer
blocks, generally impart good reworkability to polymer
compounds.
The Tuftec™ series, in particular, provides outstanding
reworkability, as shown here by the virtual absence of
formulation deterioration with Tuftec™ P2000.
|
Formulation
|
Property
|
Test
method |
Thermal
history
|
| Virgin |
After
5 passes |
|
A: with Tufprene™
|
Tensile
strength (MPa) |
ASTM D
638
(5 mm/min)
|
24.8
|
23.0 |
| Elongation
(%) |
24.8
|
5.1 |
Izod
impact strength
(kgcm/cm) |
ASTM D
256
(notched)
|
8.9
|
4.7 |
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B: with Tuftec™
|
Tensile
strength (MPa) |
ASTM D
638
(5 mm/min)
|
27.9
|
28.2 |
| Elongation
(%) |
187
|
192 |
Izod
impact strength
(kgcm/cm) |
ASTM D
256
(notched)
|
5.2
|
4.9 |
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Formulation A: HIPS/h-PP/Tufprene™
125
(70/30/10)
Formulation B: HIPS/h-PP/Tuftec™ P2000
(70/30/10)
Extrusion conditions: Extruder, PCM 30; cylinder temp.,
220°C; screw speed, 200 rpm
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- Please note that all data and values
are given as typical results obtained with the indicated
test methods,
and not as any product specification or warranty of any
nature.
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