| About |
|---|
| Skyrol® SH21is an optically clear, and one side chemically treated film.SH21 provides enchanced adhesion to various inks and adhesives, and comes in a variable of thicknesses ranging from 48 to 142 gauge. SH21 is mostly used for labels, solar control, high grade packing, printing, etc.&& |
| Product Description | |
|---|---|
| Supplier | SKC |
| Generic | PET |
| Material Status | Commercial: Active |
| Features | Good bond |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Shrinkage rate | Internal Method | ||
| MD：150℃，0.023 mm，30 min | 1.3 | % | Internal Method |
| MD：150℃，0.0355 mm，30 min | 1.3 | % | Internal Method |
| TD：150℃，0.023 mm，30 min | 0.10 | % | Internal Method |
| TD：150℃，0.0355 mm，30 min | 0.0 | % | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| friction coefficient | ASTM D1894 | ||
| With oneself – dynamic | 0.40 | ASTM D1894 | |
| With oneself – dynamic | 0.40 | ASTM D1894 | |
| With oneself – static | 0.40 | ASTM D1894 | |
| With oneself – static | 0.40 | ASTM D1894 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D882 | ||
| MD, yield, 23 µ m | 241 | MPa | ASTM D882 |
| MD, yield, 36 µ m | 228 | MPa | ASTM D882 |
| TD, yield, 23 µ m | 248 | MPa | ASTM D882 |
| TD, yield, 36 µ m | 228 | MPa | ASTM D882 |
| Tensile strain | ASTM D882 | ||
| MD, fracture, 23 µ m | 160 | % | ASTM D882 |
| MD, fracture, 36 µ m | 150 | % | ASTM D882 |
| TD, fracture, 23 µ m | 130 | % | ASTM D882 |
| TD, fracture, 36 µ m | 130 | % | ASTM D882 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| gloss | ASTM D523 | ||
| 23 µm | 184 | ASTM D523 | |
| 35.5 µm | 187 | ASTM D523 | |
| Transmittance | ASTM D1003 | ||
| 23.0 µm | 90.0 | % | ASTM D1003 |
| 35.5 µm | 90.0 | % | ASTM D1003 |
| Haze | ASTM D1003 | ||
| 23 µm | 0.90 | % | ASTM D1003 |
| 35.5 µm | 1.0 | % | ASTM D1003 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23 µm |
| 3. 35.5 µm |
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