| Essentials |
|
Relatively low styrene content, for
enhanced adhesive performance in pressure-sensitive
and other adhesives. It is supplied in pellet form.
Contact
us for information on handling and use.
|
|
| Basic characteristics of Asaprene™ T-420 |
| Property |
Test method |
Value |
| Specific gravity |
ASTM D 297 |
0.94 |
|
MFR, E (g/10 min)
190°C, 2.16 kg load
|
|
ASTM D
1238 |
1.1 |
|
MFR, G (g/10 min)
200°C, 5 kg load
|
|
6.5 |
| Hardness, Type A |
JIS K 6253 |
75 |
| Tensile strength (MPa) |
JIS K 6251
|
27 |
| Elongation (%) |
900 |
| 300% tensile stress
(MPa) |
2.9 |
| Viscosity as 25% solution
in toluene (mPa s) |
Asahi Kasei method |
1,200 |
| Styrene/butadiene (wt%) |
Asahi Kasei method |
30/70 |
| 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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