
Physical properties of Saran™ Fibers
- 1.Tensile Strength
- 1.3~2.0 cN/dtex (1.4~2.2 g/d) (at room temperature)
- 2.Tensile Elongation
- 20%~40% (at room temperature)
- 3.Temperature Dependency
-
Table1: Temperature vs. tensile strength and elongation
*reference
| Temperature ºC |
-10 |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
| Tensile Strength(cN/dtex) |
1.79 |
2.04 |
2.08 |
1.91 |
1.72 |
1.56 |
1.43 |
1.34 |
| Tensile Strength(g/d) |
2.01 |
2.29 |
2.34 |
2.15 |
1.93 |
1.75 |
1.60 |
1.50 |
| Tensile Elongation(%) |
19.7 |
25.6 |
27.4 |
29.2 |
37.6 |
42.2 |
42.4 |
38.8 |
Table2: Temperature vs. heat shrinkage
| Temperature(ºC) |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
| Heat Shrinkage(%) |
2.1 |
2.1 |
4.2 |
5.4 |
7.4 |
9.4 |
11.6 |
- 4.Knot Strength
- 0.89~1.4 cN/dtex (1.0~1.6g/d )
- 5.Knot Elongation
- 10~12%
- 6.Young's Modulus
- 1.2~1.8 GPa (120~180kg/mm²)
- 7.Elastic Recovery
- over 95% (at 3% elongation)
- 8.Specific Gravity
- 1.7
- 9.Moisture Regain
- below 0.1%
- 10.Melting point
- approximately 160ºC
- 11.Chemical Resistance
- Chemical resistance of Saran™ fiber (90-day immersion at room temperature)
| Agent |
Strength Deterioration after 90days |
Coloration |
| Hydrochloric acid |
10% |
0 |
none |
| 20% |
0 |
none |
| 35% |
0 |
Tinge of yellow |
| Sulfuric acid |
20% |
0 |
none |
| 50% |
10% |
none |
| 95% |
20% |
Blackish brown after two months |
| Nitric acid |
10% |
0 |
none |
| 20% |
0 |
Light yellow |
| 50% |
0 |
Light yellowish green |
| Sodium hydroxide |
10% |
0 |
none |
| 20% |
0 |
Yellow |
| 50% |
0 |
Yellow |
| Potassium hydroxide |
10% |
0 |
none |
| 20% |
0 |
Dark brown |
| 50% |
0 |
Dark brown |
| Aqueous ammonia |
1% |
0 |
Yellow |
| 5% |
10% |
Deep brown |
| 10% |
20% |
Blackish brown |
| Potassium permanganate |
3% |
0 |
Blackish brown |
| Bleach |
3% |
0 |
Blackish brown |
| Bromine water |
3% |
0 |
Blackish brown |
| Alcohol |
|
0 |
Light yellow |
| Aceton |
|
10% |
Yellow |
| Ether |
|
50% |
BlackColor |
| Calcic water |
6% |
0 |
Yellow |
| Carbon bisulfide |
|
10% |
Yellow |
| Aniline |
|
10% |
Blackish brown |
| Petroleum ether |
|
0 |
Yellow |
| Glacial acetic acid |
|
0 |
Light yellow |