We specialize in supplying high-quality PTP-High Impact Polystyrene (HIPS) and PTP-General Purpose Polystyrene (GPPS) in various grades tailored to diverse industrial applications. HIPS, available in specialized grades, is ideal for packaging, automotive components, and household appliances, offering exceptional impact resistance and strength. GPPS, with its high clarity and rigidity, comes in multiple grades suited for the production of disposable containers, decorative items, and optical products. All our materials meet global standards and are designed to align with specific customer requirements, ensuring superior performance and reliability in your manufacturing processes
To view the description and analysis of each grade, click on it
GPPS PTP-1028 for Extrusion and Molding
Product description:
General purpose polystyrene PTP-1028 is manufactured by continuous mass polymerization of styrene monomer.
It has very high molecular weight, high heat grade, high melt strength, good clarity and mechanical strength
Typical applications:
It is recommended for XPS sheets and plates, and extruded embossed sheets, and its suitable for food applications.
Property | Unit | Value | ASTM METHOD |
Physical | |||
Melt Flow Index (200°C - 5 kg) | 10 min/g | 2.4 | D1238 |
Mechanical Properties | |||
Tensile Strength | MPA | 55 | D638 |
Flexural Modulus | MPA | 3200 | D790 |
Izod Impact (Notched) | KJ/m² | 3 | ISO 180 |
Thermal Properties | |||
Vicat Softening Point (50°C/hr,1 kg) | C | 102 | D1525 |


Note: All mechanical properties measured under standard conditions 50% RH and 23C.
Packing:
GPPS PTP-1028 is supplied in the form of cylindrical of approximately 2.5×2.5 mm. The product can be supplied in either 25 kg bags.
Regulatory information:
It is responsibility of the manufacturers of food contact articles and industrial food packers to make sure the article intheir actual use are in compliance with the imposed migration requirements.
GPPS PTP-1077 for Extrusion and Molding
Product description:
General purpose polystyrene PTP-1077 is manufactured by continuous mass polymerization of styrene monomer.
It has medium heat grade , medium melt strength , good clarity and mechanical strength.
Typical applications:
It is recommended for house ware,containers,drinking cup,table ware,optical parts,plastic bangles, cosmetic packing parts ,stationery products and XPS sheets and plates.
Property | Unit | Value | ASTM METHOD |
Physical | |||
Melt Flow Index (200°C - 5 kg) | 10 min/g | 7 | D1238 |
Mechanical Properties | |||
Tensile Strength | MPA | 52 | D638 |
Flexural Modulus | MPA | 3100 | D790 |
Izod Impact (Notched) | KJ/m² | 8 | D256 |
Thermal Properties | |||
Vicat Softening Point (50°C/hr,1 kg) | C | 100 | D1525 |


Note:
All mechanical properties measured under standard conditions 50% RH and 23C.
Packing:
GPPS PTP-1077 is supplied in the form of cylindrical of approximately 2.5×2.5 mm. the material can be supplied in either 25 kg bags.
GPPS PTP-1155 for Extrusion and Injection
Product description:
General purpose polystyrene PTP-1115 is manufactured by continuous mass polymerization of styrene monomer.
Typical applications:
It is recommended for packing articles,petri dishes,office equipments,pen barrels,crisper boxes for refrigerators,cups,food containers gloss layer coextrusion.
Property | Unit | Value | ASTM METHOD |
Physical | |||
Melt Flow Index (200°C - 5 kg) | 10 min/g | 11 | D1238 |
Mechanical Properties | |||
Tensile Strength | MPA | 42 | D638 |
Flexural Modulus | MPA | 3100 | D790 |
Thermal Properties | |||
Vicat Softening Point (50°C/hr,1 kg) | C | 91 | D1525 |


Note:
All mechanical properties measured under standard conditions 50% RH and 23C.
Packing:
GPPS PTP-1115 is supplied in the form of cylindrical of approximately 2.5×2.5 mm. the material can be supplied in either 25 kg bags.
GPPS PTP-1233 for Injection
Product description:
General purpose polystyrene PTP-1233 is manufactured by continuous mass, polymerization of styrene monomer. It has low operation cost ,clarity, high ability
Typical applications:
It is recommended for injection , good clarity goods, thin and long goods .
Property | Unit | Value | ASTM METHOD |
Physical | |||
Melt Flow Index (200°C - 5 kg Load) | 10 min/g | 23 | D1238 |
Mechanical Properties | |||
Tensile Strength | MPA | 40 | D638 |
Flexural Modulus | MPA | 3100 | D790 |
Charpy impact strength (un notched) | KJ/m² | 9 | D256 |
Thermal Properties | |||
Vicat Softening Point (50°C/hr,1 kg min) | C | 85 | D1525 |


Note:
All mechanical properties measured under standard conditions 50% RH and 23C.
Packing:
GPPS PTP-1233 is supplied in the form of cylindrical of approximately 2.5×2.5 mm. the material can be supplied in either 25 kg bags.