Properties of Saran™ Fibers

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