| Product | Generic | Company |
| HAIPLEN | PP Copoly, PP Homopoly | Taro Plast S.p.A. |
| Halar® | ECTFE | Solvay Solexis, Inc. |
| Halar® Film | PCTFE | Solvay Solexis, Inc. |
| Halene H | HDPE | Haldia Petrochemicals Ltd. |
| Halene L | LLDPE | Haldia Petrochemicals Ltd. |
| Halene P | PP Homopoly, PP Impact Copoly, PP Random Copoly, PP, Unspecified | Haldia Petrochemicals Ltd. |
| Halon | ETFE | Solvay Solexis, Inc. |
| Hanacelan | PS+PE | Korea Kumho Petrochemical Co., Ltd. |
| HANWHA | LLDPE | Hanwha Chemical |
| HANWHA EVA | EVA | Hanwha Chemical |
| HANWHA LDPE | LDPE | Hanwha Chemical |
| HANWHA LLDPE | LLDPE | Hanwha Chemical |
| HARMOREX® | PE, Unspecified | Japan Polychem Corporation |
| HARMOREX-LL | LLDPE | Japan Polyolefins Co., Ltd. (JPO) |
| Haysite BMC | Polyester, TS | Haysite Reinforced Plastics |
| Haysite Plastics | Polyester, TS | Haysite Reinforced Plastics |
| Haysite SMC | Polyester, TS | Haysite Reinforced Plastics |
| HCPP | PP, Unspecified | Chisso America Inc. |
| Heatwave | PET | Eastman Chemical Company |
| HERAFLEX® | SEBS, TPC-ET | Radici Plastics |
| HERAMID® | Nylon 6, Nylon 66 | Radici Plastics |
| HETRON® CR | Furan, Polyester, TS, Vinyl Ester | Ashland Specialty Chemical |
| HFFR | Polyolefin, Unspecified | Teknor Apex Company |
| Hicond | TP, Unspecified | United Composites, Inc. |
| HIDEN® | HDPE | YUHWA Korea Petrochemical Ind. Co., Ltd. |
| Hifax | Polyolefin, Unspecified, PP Alloy, PP Copoly, PP Homopoly, PP Impact Copoly, PP Random Copoly, PP, Unspecified, TPO (POE) | LyondellBasell Industries |
| HiFill FR® | ABS, ABS+PBT, ASA, HDPE, Nylon 12, Nylon 46, Nylon 6, Nylon 66, Nylon 66/6, Nylon, Unspecified, PBT, PC, PET, PP Copoly, PP, Unspecified, PPE+PS, PS (HIPS) | TP Composites, Inc. |
| HiFill® | ABS, Acetal (POM) Copoly, Acetal (POM) Homopoly, ASA, ECTFE, HDPE, LDPE, Nylon 11, Nylon 12, Nylon 46, Nylon 6, Nylon 610, Nylon 612, Nylon 66, Nylon 66/6, Nylon, Unspecified, PBT, PC, PEEK, PEI, PES, PET, PP Copoly, PP, Unspecified, PPA, PPS, PPSU, PS (HIPS), PSU, PVDF, SPS, TPU, Unspecified | TP Composites, Inc. |
| HIFOR Clear Polyethylene | PE, Unspecified | Westlake Chemical Corporation |
| HIFOR Polyethylene | LLDPE | Westlake Chemical Corporation |
| HIFOR Xtreme Polyethylene | LDPE, LLDPE, PE, Unspecified | Westlake Chemical Corporation |
| Higran | PP, Unspecified | LyondellBasell Industries |
| Hiloy® | ABS, Nylon 6, Nylon 612, Nylon 66, PBT, PBT Alloy, PC, PET, Polyester Alloy, PP, Unspecified, PPE+PS+Nylon, PPS, PS (HIPS), SAN, SMA | A. Schulman Inc. |
| Himod™ | LDPE | Borealis A/S |
| Hipec | TS, Unspecified, TSE | Dow Corning Corporation |
| HIPLEX® | HDPE, MDPE | HIP-PetroHemija |
| HIPOLEN P® | PP Homopoly | HIPOL A.D. |
| HIPOL™ | PP Homopoly, PP Impact Copoly, PP Random Copoly, PP, Unspecified | Mitsui Chemicals, Inc. |
| HIPREN® | SBR, Emulsion | HIP-PetroHemija |
| Hipscon™ | PS (GPPS) | Lubrizol Advanced Materials, Inc. |
| HIPTEN® | LDPE | HIP-PetroHemija |
| HISTOMER | TPE | Honam Petrochemical Corporation |
| HIVAL® | ABS, HDPE, LLDPE, PP Copoly, PP Homopoly, PP Impact Copoly, PP Random Copoly, PS (GPPS), PS (HIPS) | Ashland Inc. |
| HIVOREX | HDPE, HDPE, HMW | Honam Petrochemical Corporation |
| HI-ZEX® | HDPE | Prime Polymer Co., Ltd. |
| HMS Thermoplastic | TP, Unspecified | HMS Compounds, Inc. |
| Hoffman PVC | PVC, Flexible, PVC, Rigid | Hoffman Plastic Compounds Inc. |
| Honeywell Halar | PCTFE | Honeywell |
| Honeywell PCTFE | PCTFE | Honeywell |
| Honeywell PMP | PMP | Honeywell |
| HOPELEN | PP Homopoly, PP, Unspecified | Honam Petrochemical Corporation |
| HOPET | PET | Honam Petrochemical Corporation |
| Horda | EPDM, EVA, PE Copolymer, PE, Unspecified | Horda Cable Compounds |
| Hostacom | Polyolefin, Unspecified, PP Alloy, PP Copoly, PP Homopoly, PP Impact Copoly, PP Random Copoly, PP, High Crystal, PP, HMS, PP, Unspecified, TPO (POE) | LyondellBasell Industries |
| Hostaform® | Acetal (POM) Copoly | Ticona |
| Hostalen | HDPE | LyondellBasell Industries |
| Hostalen PP | PP Copoly, PP Homopoly, PP Impact Copoly, PP Random Copoly | LyondellBasell Industries |
| HP Advantage | ABS, PC, PP Impact Copoly, PP Random Copoly | Hanna Prime Inc. |
| HSPP | PP, Unspecified | Chisso America Inc. |
| HTP | ABS, HDPE, Nylon, Unspecified, PETG, PS (GPPS), PVC Alloy, PVC, Flexible, PVC, Unspecified, TPO (POE), TPU-Polyester, TPU-Polyether, TPV | HiTech Polymers, Inc. |
| Huber Polymers | PP Copoly, PP Homopoly, PP, Unspecified, PPA | Texas Polymer Services |
| HYBLEND® D | PC+PBT | P-Group Deutschland GmbH |
| HYBLEND® P | ABS+PBT+PC | P-Group Deutschland GmbH |
| HYBLEND® T | ABS+PC | P-Group Deutschland GmbH |
| Hybri-Chem | PUR-Ester | Hybri-Chem Inc. |
| Hybrid® | ABS+PC, PC Alloy, PC+PBT | Entec Engineered Resins |
| Hyd-Cast | Nylon 6 | Ensinger-Hyde |
| HYDCOR® | PVC, Unspecified | Ensinger-Hyde |
| Hyde Cast Acrylic | Acrylic, Unspecified | Ensinger-Hyde |
| HYDEL® | Acetal (POM) Copoly, Acetal (POM) Homopoly | Ensinger-Hyde |
| Hydex | ETPU, PBT, PC, PEI | Ensinger-Hyde |
| Hydlar | Nylon 66 | Ensinger-Hyde |
| HydroThane™ | PUR, Unspecified | CardioTech International, Inc. |
| Hydroxy-Purge | TP, Unspecified | InChem Corp. |
| Hyflon® MFA | Mel Formald, PFA, PFE | Solvay Solexis, Inc. |
| Hyflon® PFA | PFA, PFE | Solvay Solexis, Inc. |
| Hylac® | ABS | Entec Engineered Resins |
| Hylar® | PVDF | Solvay Solexis, Inc. |
| HYLENE | HDPE | Lavergne Group |
| HYLENE G | HDPE | Lavergne Group |
| Hylex® | PC | Entec Engineered Resins |
| Hylon® | Nylon 6, Nylon 66 | Entec Engineered Resins |
| Hylox® | PBT | Entec Engineered Resins |
| Hypel™ | HDPE, LDPE, LLDPE | Entec Engineered Resins |
| Hypro™ | PP Copoly, PP Homopoly, PP Random Copoly | Entec Engineered Resins |
| Hyrene™ | PS (GPPS), PS (HIPS), PS (MIPS) | Entec Engineered Resins |
| Hyril® | SAN | Entec Engineered Resins |
| Hysol® | Epoxy | Loctite® |
| Hyvex | PPS, PSU | Ferro Corporation |
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