Compounds |
|
When blended with a polyolefin and a process oil, SEPTON™ provides a soft compound that is a suitable replacement for vulcanized rubber and soft PVC. |
| |
| (Tested by KURARAY CO.,LTD.) |
| |
1 |
2 |
3 |
| Formulation |
| SEPTON™ 4055 |
| Polypropylene |
| Process Oil |
| Anti Oxidant |
(parts by wt.)
|
100 75 120 0.3 |
100
50 120 0.3 |
100 25
120
0.3 |
|
|
10 |
2.9 |
0.1 |
|
|
76 |
64 |
45 |
| Mechanical Properties | |
| 100% Modulus | MPa |
| 300% Modulus | MPa |
| Tensile Strength | MPa |
| Elongation | % |
|
3.1 4.2 15.2 790 |
2.2 3.1 10.8 790 |
0.9 1.6 7.4 850 |
| Permanent Set (100% @ 10min.) | % |
|
16 |
10 |
5 |
| Compression Set (70˚C @ 22hrs) | % |
|
48 |
39 |
29 |
|
| (1MPa=10.20kgf/cm2 ) |
|
Mixing Condition:Twin Screw Extruder, 230˚C, 200rpm.
Molding Condition: Injection Molding |
| |
 |
| Examples of practical use of SEPTON™ compounds |
|