Blue transparent polyester film with excellent mechanical properties, heat resistance, uniform color, and non-fading performance, mainly used in adhesive tape and release film substrate applications.
Product Model:
CY20L



| Properties | Unit | Standard | Typical Value |
| Thickness | μm | GB/T 13542.2-2021 | 50 / 75 / 100 / 125 / 150 / 175 / 188 |
| Thickness Tolerance | % | GB/T 13542.2-2021 | ±3 / ±3 / ±3 / ±3 / ±3 / ±3 / ±4 |
| Tensile Strength - MD | MPa | GB/T 13542.2-2021 | ≥150 / ≥150 / ≥150 / ≥150 / ≥145 / ≥145 / ≥145 |
| Tensile Strength - TD | MPa | GB/T 13542.2-2021 | ≥180 / ≥175 / ≥170 / ≥170 / ≥170 / ≥170 / ≥170 |
| Elongation at Break - MD | % | GB/T 13542.2-2021 | ≥100 / ≥110 / ≥110 / ≥110 / ≥120 / ≥120 / ≥120 |
| Elongation at Break - TD | % | GB/T 13542.2-2021 | ≥80 / ≥85 / ≥90 / ≥90 / ≥100 / ≥100 / ≥100 |
| Heat Shrinkage @150°C, 15min - MD | % | TDS | ≤1.5 |
| Heat Shrinkage @150°C, 15min - TD | % | TDS | ≤0.5 |
| Wetting Tension | mN/m | GB/T 14216-2008 | ≥52 |
Remark: Parameters above are from the TDS. MD refers to machine direction and TD refers to transverse direction; where the TDS specifies type inspection or delivery inspection items, the original TDS shall prevail.

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