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Data item |
Hitohada (human skin) gel |
Remarks |
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Hardness 0 |
Hardness 5 |
Hardness 15 | ||||
| Specific gravity | 1.04 | 1.04 | 1.04 | |||
| Hardness | Shore A | 0 | 0 | 1 | K7312 | |
| Asker C | 0 | 5 | 15 | K7312 | ||
| Tensile strength | Strength | kgf/cm 2 | 3.5 | 5.9 | 16.2 | K7312 |
| 100% tensile stress | kgf/cm 2 | 0.12 | 0.28 | 1.15 | ||
| 200% tensile stress | kgf/cm 2 | 0.31 | 0.54 | 3.52 | ||
| 300% tensile stress | kgf/cm 2 | 0.54 | 0.89 | 7.36 | ||
| Tensile elongation | % | 758 | 550 | 450 | K7312 | |
| Tear strength | kgf/cm | 0.17 | 2.75 | 3.22 | K7312 | |
| Compressive strength | 10% | kgf/cm 2 | 0 | 0.23 | 0.37 | K7312 |
| Tensile strength | 20% | kgf/cm 2 | 0.01 | 0.48 | 0.88 | |
| Tensile strength | 30% | kgf/cm 2 | 0.07 | 1.17 | 1.39 | |
| Elastic modulus in compression | kgf/cm 2 | 1.2 | 2.3 | 5.2 | ||
| Toxicity | PbICP | ppm | < 5 | < 5 | < 5 | Minimum limit of determination 5ppm |
| Cd | ppm | < 0.5 | < 0.5 | < 0.5 | Minimum limit of determination 0.5ppm | |
| Water resistance | Pass | Pass | Pass | K7312 | ||
| Water absorption | Room temperature@24hrs | % | 7.2 | 6.0 | 4.8 | K7209 |
| (W/V) | 40 @ 24hrs | % | 4.5 | 6.8 | 5.6 | K7209 |
| Oil resistance | 40 @ 24hrs | % | -9.04 | -8.60 | -7.29 | K7312, No1 Oil |
| Acid resistance | Pass |
Pass |
Pass |
K7312 HC1 | ||
| Alkali resistance | Pass |
Pass |
Pass |
K7312 NaOH | ||
| Heat aging stability | Tensile strength | kgf/cm 2 | 3.05 | 6.97 | 13.4 | K7312 80 48hrs |
| 100% tensile stress | kgf/cm 2 | 0.05 | 0.24 | 0.08 | ||
| Elongation | % | 660 | 562 | 492 | K7312 80 48hrs |
|
| Compression set | 70 @ 22hrs | % | 41.8 | 14.9 | 9.16 | K7312 |
| 100 @ 70hrs | % | 103 | 15.9 | 15.6 | K7312 | |
| Low temperature resistance | i -30 j | No brittleness |
No brittleness |
No brittleness |
||
| Adhesion | 180 peel | 0.015 | 0.007 | 0.007 | Z0237 | |
| Shear adhesion | 180 | 43 | 17 | Z0237 1kg | ||
| Ball tack | 10 | 6 | 2 | Z0237 30 degrees | ||
| Coefficient of friction*1 | Coefficient of static friction | - |
- |
- |
K7312 | |
| Coefficient of dynamic friction | - |
- |
- |
K7312 | ||
| Visible light transmission | % | 0.1 | 0.1 | 0.1 | ||
| Load capacity | kgf/cm 2 | 0.16 | 0.19 | 0.73 | ||
| *1 A coefficient of friction is measured on the pit cushion sheet only. |
| *2 Adhesive face of the pit cushion pasting type Hitohada (human skin) gel frequency characteristic Gel tack frequency characteristic Hyper-gel frequency characteristic |
