| Product | Generic | Company |
| ICORENE® | EVA, HDPE, HDPE Copolymer, LDPE, LLDPE, LMDPE, PE Copolymer, PE, Unspecified, PP Copolymer, PP Homopolymer, PS (GPPS), PS (HIPS), XLPE | ICO Polymers, Inc. |
| Idealis | HMWPE | Braskem |
| Idemitsu PS | PS (GPPS), PS (HIPS), PS (MIPS) | Idemitsu PS |
| IDI Compounds | Polyester, TS | Industrial Dielectrics Inc. |
| IE PUR | TSU | Innovative Polymers, Inc. |
| IE RTV Silicone | Silicone | Innovative Polymers, Inc. |
| i-LUX® | Polyolefin, Unspecified | SK Corporation |
| Impact PS | PS (HIPS) | INEOS NOVA LLC |
| Impact® | TPO (POE) | ACI Plastics |
| Impet® | PET | Ticona |
| Implex® | Acrylic (PMMA) | Altuglas International of Arkema Inc. |
| Indothene | LDPE | Reliance Industries Limited |
| Indothene HD | HDPE | Reliance Industries Limited |
| Indothene LL | LLDPE | Reliance Industries Limited |
| INDURE™ | TPO (POE) | LyondellBasell Advanced Polyolefins USA, Inc. |
| INEOS CFT | HDPE, HMW | INEOS Olefins & Polymers Europe |
| INEOS HDPE | HDPE, HDPE Copolymer, HDPE, HMW, HDPE, MMW, MDPE | INEOS Olefins & Polymers USA |
| INEOS LDPE | EMAA, LDPE | INEOS Olefins & Polymers Europe |
| INEOS LLDPE | LLDPE | INEOS Olefins & Polymers Europe |
| INEOS PP | PP Homopolymer, PP Impact Copolymer, PP Random Copolymer, PP, High Crystal, PP, Unspecified | INEOS Olefins & Polymers Europe
INEOS Olefins & Polymers USA
|
| INEOS Wire & Cable | EBA, LDPE, LLDPE, MDPE | INEOS Olefins & Polymers Europe |
| Infino | PC | Samsung, a division of Cheil Industries |
| INFUSE™ | OBC | Dow Plastics |
| Ingeo™ | PLA | NatureWorks® LLC |
| INNOBATCH® | PP Homopolymer | Inno-Comp Ltd. |
| InnoPlus | HDPE | PTT Chemical Public Company Limited |
| INNOPOL® PE | HDPE | Inno-Comp Ltd. |
| INNOPOL® PP | PP Alloy, PP Copolymer, PP Homopolymer, PP Random Copolymer, PP, Unspecified | Inno-Comp Ltd. |
| Innova | PS (GPPS), PS (HIPS), PS (MIPS) | Innova SA
Petrobras Energia SA
|
| INSPIRE™ | PP Homopolymer, PP Impact Copolymer, PP, Unspecified | Dow Plastics |
| InstaPurge™ | Proprietary | NOVACHEM |
| Insulbond | TS, Unspecified | American Safety Technologies (Permagile) |
| Insulcast Epoxy | Epoxy | American Safety Technologies (Permagile) |
| Insulcast R.T.V.S. | Silicone | American Safety Technologies (Permagile) |
| Insulgel | Epoxy | American Safety Technologies (Permagile) |
| Insulstruc | Polyester, TS | Industrial Dielectrics Inc. |
| INTEGRAL™ | Polyolefin, Unspecified | Dow Plastics |
| INTEGRATE™ | Polyolefin, Unspecified | LyondellBasell Industries |
| Interpol | Polyester, TS, PUR-Ester | Cook Composites and Polymers |
| INVISION™ | TPE, TPO (POE), TPV | A. Schulman Inc. |
| Iotek™ Ionomers | EAA | ExxonMobil Chemical |
| IPC PP | PP Copolymer, PP Homopolymer, PP, Unspecified, PS (HIPS) | International Polymers Corporation |
| IPCC ABS | ABS | Iran Petrochemical Commercial Company (IPCC) |
| IPCC PE | HDPE, LDPE, LLDPE, MDPE | Iran Petrochemical Commercial Company (IPCC) |
| IPCC PP | PP Homopolymer | Iran Petrochemical Commercial Company (IPCC) |
| IPCC PS | PS (GPPS), PS (HIPS) | Iran Petrochemical Commercial Company (IPCC) |
| IPCC PVC | PVC, Unspecified | Iran Petrochemical Commercial Company (IPCC) |
| IPCC SBR | SBR, Solution | Iran Petrochemical Commercial Company (IPCC) |
| Ipethene® | LDPE | Carmel Olefins Ltd. |
| Ipiranga | HDPE, HDPE Copolymer, HDPE, HMW, HDPE, MMW, LLDPE, MDPE, PP Copolymer, PP Homopolymer, PP Random Copolymer | Braskem |
| IROCOAT® | TPU, Unspecified | Huntsman Corporation |
| IROGRAN® | TPU, Unspecified, TPU-Capro, TPU-PC, TPU-Polyester, TPU-Polyether | Huntsman Corporation |
| IROSTIC® | TPU, Unspecified | Huntsman Corporation |
| Isocor™ | Nylon 6, Nylon 6/69, Nylon 610, Nylon 612, Nylon 66/6 | Shakespeare Monofilaments and Specialty Polymers |
| IsoFil® | PUR-MDI | Pathway Polymers |
| ISOLOSS® | PUR, Unspecified, TSU | E-A-R Specialty Composites |
| ISOPAK® | ABS | Great Eastern Resins Industrial Co Ltd |
| ISOPLAST™ | ETPU | Lubrizol Advanced Materials, Inc. |
| ISORENE | TPE | SABIC Innovative Plastics Europe |
| ISOSAN® | SAN | Great Eastern Resins Industrial Co Ltd |
| ISOTAL* | Acetal (POM) Copolymer | SABIC Innovative Plastics Europe |
| ISOTHANE® | TPU-Polyester, TPU-Polyether | Amtai's Group Inc. |
| ISPLEN® | PP Copolymer, PP Homopolymer, PP Impact Copolymer, PP Random Copolymer, PP, Unspecified | REPSOL YPF |
| Itenite® | TPV | ITEN INDUSTRIES |
| Iupiace® | PPE+PS, PPE+PS+Nylon | Mitsubishi Engineering-Plastics Corp |
| Iupilon® | PC, PC+Polyester | Mitsubishi Engineering-Plastics Corp |
| Iupital® | Acetal (POM) Copolymer | Mitsubishi Engineering-Plastics Corp |
| Ixef® | PARA | Solvay Advanced Polymers |
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