| Essentials |
|
The basic grade in the broad range
of styrene-butadiene block copolymers from Asahi Kasei.
A styrenic thermoplastic elastomer with superior elasticity,
styrenic resins compatibility, moldability, adhesive
performance, and asphalt blend characteristics. It is
supplied in pellet form.
Contact
us for information on handling and use.
|
|
| Basic characteristics of Tufprene™ A |
| Property |
Test method |
Value |
| Specific gravity |
ASTM D 297 |
0.95 |
|
MFR, E (g/10 min)
190°C, 2.16 kg load
|
|
ASTM D
1238 |
2.6 |
|
MFR, G (g/10 min)
200°C, 5 kg load
|
|
13 |
| Hardness, Type A |
JIS K 6253 |
85 |
| Tensile strength (MPa) |
JIS K 6251 |
14 |
| Elongation (%) |
1,100 |
| 300% tensile stress
(MPa) |
2.5
|
| Viscosity as 25% solution
in toluene (mPa s) |
Asahi Kasei method |
650 |
| Styrene/butadiene (wt%) |
Asahi Kasei method |
40/60 |
| Product form |
– |
Pellet |
|
Test conditions
- Test piece: Compression-molded
sheet, 2-mm thick, #3 JIS dumbbell shape.
- Roll kneading temp.:
120°C~130°C.
- Compression molding:
Preheating, 160°C 5 min; compression, 80 kg/cm2 160°C
5 min; cooling, 3 min.
- Test measurements temp.:
23°C.
|
| Please note that all data
and values are given as typical results obtained with the
indicated test methods for purposes of basic reference in
grade selection only, and not as any product specification
or warranty of any nature, and are subject to change without
notice. |
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