Product description: General purpose polystyrene GPPS 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 application: It is recommended for XPS sheets and plates,and extruded embossed sheets,and its suitable for food applications . to make sure the article in their actual use are in compliance with the imposed migration requirements

General Properties

Category : GPPS
Grade Name : 1028(GPPS1028)
Manufacturer : PETRO PAAK
MFR : 2.4(2.16k/g)
Density : 0.954
Applications : Shower cabinet,Disposable cups,Food containers,Pen bodies
Properties Unit Typical value Test Method
Melt flow rate @200°C & 5 kg load g/10min 2.4 D1238
Mechanical properties
Tensile strenght MPa 55 D638
Flexural modulus MPa 3200 D790
Charpy impact strength(un notched) Kj/m² 11 D256
Thermal properties
Vicat softening point @120°C,1 kg(min) oC 102 D1525

Note: All mechanical properties measured under standard conditions 50% RH and 23C.