SMART™ 121S by SK Functional Polymer is an ethylene-octene-based metallocene LLDPE manufactured Nexlene™ technology. It offers low-temperature compatibility, bubble stability, transparency and machinability. It provides excellent low seal initiation temperature and hot tack strength. It consists of anti-block (2000 ppm) and improved slip (1000 ppm) properties as additives. SMART™ 121S is designed for various food & non-food packaging films with excellent sealing property, impact strength and processability. Recommended for processing by blown films.
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SMART™ 121S properties
Film properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Film Thickness | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 1% Secant Modulus, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 1% Secant Modulus, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Dart Drop | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Optical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Haze | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Seal Initiation Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
SMART™ 121S Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Blow-up Ratio | Visible After Login | Visible After Login | |
| Die Diameter | Visible After Login | Visible After Login | |
| Die Gap | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Screw Size | Visible After Login | Visible After Login | |