S-LEC Physical Properties
Physical Properties
The thermoforming and coating characteristics of S-LEC B/K are excellent. Table 1 gives the physical properties of molded S-LEC B/K. The physical values can be modified to suit your application by combining S-LEC B/K with your plasticizers and other resins.
Physical Properties of S-LEC B/K
| Properties | Unit | Physical values | Measurement method |
|||
|---|---|---|---|---|---|---|
| S-LEC B | S-LEC K(KS) | |||||
| Ture specific gravity | - | 1.1 | 1.1 | JIS K-7112 | ||
| Refractive index | - | 1.48～1.49 | 1.48～1.49 | ASTM D542 | ||
| Mechanlcal properlies |
Tensille strength | kg/cm2 | 600～800 | 800～900 | JIS K-7113 | |
| Elongation | % | 5～20 | 5～20 | JIS K-7113 | ||
| Modulus of elasticity | 104kg/cm2 | 1.1～1.4 | 1.2～1.6 | JIS K-7113 | ||
| Bending strength | kg/cm2 | 700～750 | 1000～1200 | JIS K-7203 | ||
| Bending modulus | 104kg/cm2 | 2.2～2.4 | 3.0～3.3 | JIS K-7203 | ||
| Thermal properties |
Specific heat | cal/g℃ | 0.44～0.57 | 0.45 | ASTM D2766 *1 | |
| Heat transfer coefficient | 10-1Kal/m.Hr.℃ | 1.03～1.04 | 1.03 | ASTM C177 | ||
| Thermal expansion coefficient | 10-5/℃ | 6.1～8.4 | 6.0 | JIS K6911 *2 | ||
| Electrical properties |
Surface resistance | _ | 109～1012 | 109～1012 | JIS K6911 | |
| Voluem resistance | _・cm | 1014～1016 | 1014～1016 | JIS K6911 *3 | ||
| Insulation resistance | _ | 108～1016 | 108～1016 | JIS K6911 | ||
| Dielectric breakdown voltage | KV | 25以上 | 25以上 | JIS K6911 | ||
| Dielectric constant |
30c/s | - | 3.1～4.2 | 3.1～4.2 | JIS K6911 | |
| 1000c/s | - | 3.1～4.0 | 3.1～4.0 | JIS K6911 | ||
| Dielectio | 30c/s | 10-3 | 2.7～7.8 | 2.7～7.8 | JIS K6911 | |
| 1000c/s | 10-3 | 5.0～8.2 | 5.0～8.2 | JIS K6911 | ||
*1 at100℃ *2 at-20℃～30℃ *3 at30℃, 75%RH others at20℃、65%RH
Glass transition temperature (Tg) of S-Lec B/K, KS
Softening points
