Foam |
(Tested by KURARAY CO., LTD.)
| |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
Formulation(Parts by Wt.)
HYBRAR™ 5127
EVA*1
Polypbutene*2
IR-10*3
Calcium carbonate * 4
Stearic Acid
DOP * 5
Zinc Oxide
Curing Agent * 6
Foaming Agent * 7
Pigment
Specific Gravity(Compound) |
70
30
100
2
4
0.6
4
0.5
1.4 |
70
30
100
2
4
0.6
6
0.5
1.4 |
70
30
100
2
4
0.6
8
0.5
1.4 |
70
30
100
2
4
0.7
4
0.1
1.4 |
70
30
100
2
4
0.7
6
0.1
1.4 |
70
30
100
2
4
0.7
8
0.1
1.4 |
70
15
15
100
2
4
1
0.8
7
0.5
1.4 |
70
30
100
2
4
1
0.7
7
0.5
1.4 |
| Foam Properties | |
| Linear Expansion | |
| Specific Gravity(Foam) | |
| Expansion Ratio | |
| Resilience | % |
| Loss Factor × 102 | |
|
1.41
0.39
3.5
6
9.4 |
1.51
0.29
4.8
7
6.3 |
1.69
0.22
6.8
11
6.1 |
1.44
0.30
4.6
5
7.3 |
1.60
0.23
6.0
8
6.3 |
1.70
0.18
7.6
8
6.6 |
1.73
0.17
8.3
15
6.8 |
1.70
0.18
7.7
8
7.1 |
| Mechanical Properties | |
| 100% Modulus | MPa |
| Tensile Strength | MPa |
| Elongation | % |
| Hardness | Type C |
|
0.9
1.7
260
50 |
0.9
1.7
204
40 |
0.9
1.6
182
30 |
0.3
1.3
494
25 |
0.3
1.3
429
20 |
0.3
1.1
329
15 |
1.0
1.3
171
25 |
0.7
1.2
199
42 |
|
|
| *1 |
No.1 to 6 -Vac =25%,Ml=3.0g/10 min @2.16kg,190˚C
No.7 & 8 -Vac =15%,Ml=1.5g/10 min @2.16kg,190˚C |
Mixing Condition:
Compound temperature in
kneader=115˚C 120˚C
Curing Condition:
Press Cure for 12 to 15 min at 164˚C
Mold thickness:10mm
|
|
| *2 |
HV 300R,Nihon Oil Co., Ltd. |
| *3 |
Polyisoprene,Kuraray Co.,Ltd. |
| *4 |
No.1 to 6 - Ground Whitening, No.7 & 8-Calcium
Carbonate |
| *5 |
DOP was used for quick mixing |
| *6 |
1,3-bis-(t-butyl peroxy-isopropyl)benzene/CaCo3
=40/60 |
| *7 |
Complex compounds based on azodicarbonamide,
Gas evolution temperature =155˚C,Gas yield=150ml/g |
|
| |
 Soft Compound |
|
