GPPS (General purpose polystyrene) là loại hạt nhựa trong suốt, độ cứng tốt và chịu nhiệt cao, phù hợp cho các ứng dụng ép phun hoặc ép đùn.
| Mã sản phẩm | Nguồn gốc | Nhà sản xuất |
| 525N | Vietnam | Vietnam Polystyrene |
| N 3910 | Italy | Versalis |
| N 3840 | Italy | Versalis |
| SR 550 | Italy | Versalis |
| R 540E | Italy | Versalis |
| R 321P | Italy | Versalis |
| N 3982 | Italy | Versalis |
| GPPS 1450 | Singapore | TPSC |
| HRM26 | Japan | Toyo Styrene |
| HRM12 | Japan | Toyo Styrene |
| G100C | Japan | Toyo Styrene |
| MW2C | Japan | Toyo Styrene |
| MW1C,D | Japan | Toyo Styrene |
| MT5D | Japan | Toyo Styrene |
| HRM48N | Japan | Toyo Styrene |
| HRM26 | Japan | Toyo Styrene |
| HRM12 | Japan | Toyo Styrene |
| G320C | Japan | Toyo Styrene |
| 500W | France | Total |
| 523W | France | Total |
| 524B | France | Total |
| 525B | France | Total |
| 861F | Taiwan | Taita Chemical |
| 861N/B | Taiwan | Taita Chemical |
| PS147F GR21 | Korea | Styrolution |
| PS125 | Saudi Arabia | Sabic |
| PS100 | Saudi Arabia | Sabic |
| PS160 | Saudi Arabia | Sabic |
| PS155 | Saudi Arabia | Sabic |
| G9401 | Japan | PS Japan |
| SGP10 | Japan | PS Japan |
| 679 | Japan | PS Japan |
| H77 | Japan | PS Japan |
| GP-500N | Pakistan | PAK Petrochemical Industries |
| GP-525 | Pakistan | PAK Petrochemical Industries |
| GP-525X | Pakistan | PAK Petrochemical Industries |
| GP-550P | Pakistan | PAK Petrochemical Industries |
| GP-560 | Pakistan | PAK Petrochemical Industries |
| GP-565 | Pakistan | PAK Petrochemical Industries |
| GP150K | Korea | Kumho |
| GP125 | Korea | Kumho |
| GP125EB | Korea | Kumho |
| GP125E | Korea | Kumho |
| GP150I | Korea | Kumho |
| GP150E | Korea | Kumho |
| 500 | Taiwan | Kaofu Chemical |
| 525 | Taiwan | Kaofu Chemical |
| 550 | Taiwan | Kaofu Chemical |
| 525HF | Taiwan | Kaofu Chemical |
| 525N | Taiwan | Kaofu Chemical |
| 550N | Taiwan | Kaofu Chemical |
| 550P | Taiwan | Kaofu Chemical |
| GP112 | Thailand | Irpc Public Com |
| GP150 | Thailand | Irpc Public Com |
| GP150 | Thailand | IRPC |
| GPPS525 | Brazil | Innova SA |
| GPPS535 | Brazil | Innova SA |
| GPPS585 | Brazil | Innova SA |
| N 1921 | Brazil | Innova SA |
| N 2380E | Brazil | Innova SA |
| N 2560 | Brazil | Innova SA |
| G144 | Korea | Hyundai EP |
| N1381 | Hong Kong | HK Petro |
| N1814 | Hong Kong | HK Petro |
| N1841H | Hong Kong | HK Petro |
| GP525N | Taiwan | Formosa Chemical |
| GP550N | China | Formosa Chemical |
| GP5500 | China | Formosa Chemical |
| GP5350 | China | Formosa Chemical |
| GPPS251 | Egypt | E-styrenics |
| 123P | Egypt | E-styrenics |
| MW1-301 | Singapore | Denka |
| MF21-301 | Singapore | Denka |
| MW1-321 | Singapore | Denka |
| MF21-321 | Singapore | Denka |
| MD-100-301 | Singapore | Denka |
| HRM-28-311 | Singapore | Denka |
| PG-80N | Taiwan | Chimei |
| PG-383 | Taiwan | Chimei |
| PG-22 | Taiwan | Chimei |
| 685C | USA | American Styrenic |
| EA3130 | USA | American Styrenic |
| 678D | USA | American Styrenic |
| MC1625 | USA | American Styrenic |
| 666D | USA | American Styrenic |
| MC1120 | USA | American Styrenic |
| 649D | USA | American Styrenic |
| PS695 | USA | American Styrenic |
| 5203HE | USA | American Styrenic |
| PS693 | USA | American Styrenic |
| 686E | USA | American Styrenic |
| 5001HE | USA | American Styrenic |
| PS668 | USA | American Styrenic |
| 685P | USA | American Styrenic |
| MC3700 | USA | American Styrenic |
| PS665 | USA | American Styrenic |
| 685DR | USA | American Styrenic |
| MC3650 | USA | American Styrenic |
| 685DL | USA | American Styrenic |
| EA3400 | USA | American Styrenic |
| 685P | USA | American Styrenic |
| MC3700 | USA | American Styrenic |
| PS665 | USA | American Styrenic |
| 685DR | USA | American Styrenic |
