Y
| Tradename | Material | Manufacturer |
| Yparex | PE | DSM |
| Yuclair | LLDPE | SK Chem |
| Yuhwa Hiden | HDPE | Korea Petrochemical Ind. Co. Ltd. |
| Yuhwa Polypro | PP | Korea Petrochemical Ind. Co. Ltd. |
| Yukalon | LDPE | Mitsubishi Engineering Plastics |
| Yulex | PC | Yujin R Ltd |
| Yuplene | PP | SK Chem |
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