� SEPTON TM and HYBRAR TM 11
Application
1) Compounds
Effect of PP content
Unit
1
2
3
4
5
SEPTON™ 4055
PHR
100
100
100
100
100
Paraffin oil (viscosity 382 mm 2 /s at 40°C)
PHR
100
100
100
100
100
Homo PP (MFR=10)
PHR
0
20
40
80
100
Antioxidant
Wt%
0.1
0.1
0.1
0.1
0.1
Hardness (Type A)
21
50
72
89
92
Tensile Properties
100% Modulus 300% Modulus Tensile Strength Elongation
MPa MPa MPa %
0.3 0.4 8.4 1030
0.9 1.5 8.7 900
2.1 2.8 15 870
4 5 20 840
5.1 6.1 20 800
Tension Set (100% × 10 min)
%
6
9
12
19
25
Compression Set (70°C × 22 h)
%
–
25
35
47
no data
MFR (230°C, 2.16 kg)
g/10 min
No flow
0.02
0.16
5.2
7.8
Effect of Oil content
Unit
1
2
3
4
5
SEPTON™ 4055
PHR
100
100
100
100
100
Homo PP (MFR=11)
PHR
50
50
50
50
50
Paraffin oil viscosity 96 mm 2 /s at 40°C
PHR
0
60
90
150
180
Hardness (Type A)
94
77
69
54
48
100% modulus 300% modulus Tensile strength Elongation
MPa MPa MPa %
6.7 8.8 36.3 740
3.9 5.2
2.7 3.7
1.1 1.7 9.8 910
0.8 1.5 9.3 990
22.5 780
16.7 800
2) SEPTON™ 4000-series for improved performance at high temperatures
3) SEPTON™ and HYBRAR™ compounds for improved damping performance
Unit
1
2
SEPTON TM
SEPTON™ 4055
PHR
100
100
4055
4077 4099
HYBRAR™ 5127
PHR
100
Hardness (Type A)
70
70 70
Paraffin oil
PHR
180
100
100% modulus
MPa
1.9
1.8 1.9
Polypropylene
PHR
50
40
Tensile strength
MPa
12.8 13.5 12.2
Rebound resilience
%
40
17
Elongation
% 820 860 800
Hardness (Type A)
48
51
Compression set (70˚C)
%
38
36
36
Tensile Modulus
MPa
0.8
1
(100˚C)
% 50
44
41
Tensile Strength
MPa
9.3
10.3
(120˚C)
% 55
50 45
Elongation
%
>500
>500
MFR (230˚C, 5 kg)
g/10 min 29
28
16
Compression Set 25°C,22 h
Formulation: SEPTON TM /Paraffin oil/Homo-PP=100/120/45
%
15
70°C,22 h
%
41
MFR (230°C, 2.16kg)
g/10 min
5
17
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