Dynamic Vulcanized Compound
Compounds based on SEPTON™ V-series have excellent heat resistance, good durability for a long time, and good rubber elasticity. Low hardness compound can be easily designed down to 30A hardness.
Typical Properties of SEPTON™ V9461-based Compound
(Tested by KURARAY CO.,LTD.)
| |
1 |
2 |
3 |
Measurment Method |
SEPTON™ V9461
Process Oil
Polypropylene (homo MI=1)
Organic Peroxide
Crosslink co-agent
Anti Oxidant |
Parts by mass |
100
200
25
4.6
8
0.3 |
100
100
27.3
3.5
6
0.3 |
100
100
50
4.6
8
0.3 |
|
| Hardness (Shore A) |
|
37 |
61 |
78 |
ISO 7619 |
| Tensile properties
100% Modulus
Tensile Strength
Elongation |
MPa
MPa
%
|
0.7
2.9
420 |
1.7
6.7
470 |
3.1
8.4
400 |
ISO 37 |
Compression Set 70deg.C for 22hr
Compression Set 120deg.C for 22hr |
%
% |
19
21 |
26
26 |
33
37 |
ISO 7743 |
| MFR 210deg.C, 98N |
g/10min |
11 |
7 |
27 |
ISO 1133 |
Mixing Condition : Twin Screw Extruder, 200deg.C, 300rpm
Molding Condition : Injection Molding
Compression set for a long duration
Typical Properties of SEPTON™ V9475-based Compound
(Tested by KURARAY CO.,LTD.)
| |
1 |
2 |
3 |
Measurement Method |
SEPTON™ V9475
Process Oil
Polypropylene (homo MI=1)
Organic Peroxide
Crosslinking co-agent
Anti Oxidant |
Parts by mass |
100
200
25
4.6
8
0.3 |
100
100
27.3
3.5
6
0.3 |
100
100
50
4.6
8
0.3 |
|
| Hardness (Shore A) |
|
35 |
62 |
78 |
ISO 7619 |
| Tensile Properties
100% Modulus
Tensile Strength
Elongation |
MPa
MPa
%
|
0.7
2.8
400 |
1.8
6.2
400 |
3.2
8.1
370 |
ISO 37 |
Compression Set 70deg.C for 22hr
Compression Set 120deg.C for 22hr |
%
% |
20
18 |
26
23 |
34
35 |
ISO 7743 |
| MFR 210deg.C, 98N |
g/10min |
11 |
2 |
20 |
ISO 1133 |
Mixing Condition : Twin Screw Extruder, 200deg.C, 300rpm
Molding Condition : Injection Molding
Process oil : DIANA PROCESS PW380 (paraffinic oil) made by Idemitsu Kosan Co.,Ltd.
| Organic peroxide : |
PERBUTHYL P-40 made by NOF CORPORATION
α,α'-di(tert-buthylperoxy)diisopropylbenzene) : 40% inactive filler : 60% |
| Crosslinking co-agent : |
TAIC WH-60 made by Nippon Kasei Chemical CO.,LTD.
Triallylisocyanurate : 60% / white carbon: 40% |
|
