| Essentials |
|
Styrene/butadiene block copolymer with
relatively low styrenic content and high adhesive strength.
Enhancement of low-temperature performance in asphalt
blends. It is supplied in pellet form.
Contact
us for information on handling and use.
|
|
| Basic characteristics of Tufprene™ 315 |
| 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 |
3.5 |
|
MFR, G (g/10 min)
200°C, 5 kg load
|
|
15 |
| Hardness, Type A |
JIS K 6253 |
62 |
| Tensile strength (MPa) |
JIS K 6251 |
12 |
| Elongation (%) |
880 |
| 300% tensile stress
(MPa) |
2.5 |
| Viscosity as 25% solution
in toluene (mPa s) |
Asahi Kasei method |
1,900 |
| Styrene/butadiene (wt%) |
Asahi Kasei method |
20/80 |
| 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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