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General Purpose Polystyrene (GPPS)

General Purpose Polystyrene (GPPS) is transparent material with good heat resistance. GPPS  is characterized high ridgid. Disadvantage of this material is low resistance to cracking and scratching. GPPS is using to the production of : packaging and consumer goods.GPPS (General Purpose Polystyrene) is  the polimer obtained in the polymerization of styrene. Are dissolved in aromatic and chlorinated hydrocarbons, is resistant to alkohol and water. The density of GPPS is 1,05-1,07 g/cm3. The polystyrene has a  good transparency and heat resistance. Items made from GPPS are characterized high ridgid. After mixed with additives , polystyrene is base of many others thermoplastic products. Pure polystyrene is transparent, hard, fragile, with very limited flexibility. Shrinkage : 0,4-0,7%

GPPS Total

Grade Characteristics Application
TOTAL GPPS 1160 High heat resistance. High molecular weight. Excellent optical properties. Cups for hot drinks, shower enclosure panels, extruded profiles, XPS sheets, biaxial- oriented foil, BOPS.
TOTAL GPPS 1340 Good optical properties. High molecular weight. Good mechanical properties. Toys, office equipment, CD cases, vegetable boxes for refrigetarors, co-extrusion with HIPS, dairy packaging.
TOTAL GPPS 1450N High heat and mechanical properties. Good optical properties. XPS boards
TOTAL GPPS 1540 Good optical and mechanical  properties. Easy flow. Office equipment, CD/DVD cases, co-extrusion with HIPS, packaging for cosmetics, disposable cutlery, hangers, toys, advertising accessories.
TOTAL GPPS 1810 Easy flow grade. Good optical properties. CD/DVD cases, cutlery and cups disposable, pens, office equipment, as a carrier for color concentrates.
TOTAL GPPS 1940N High heat resistance, easy flow. Excellent optical properties. XPS- lightweight insulation board, as a carrier for color concentrates.

GPPS Synthos

Grade Characteristics Application
SYNTHOS PS GP 137 Easy flow, excellent optical properties Disposable cups, conatainers for the  food industry, medical equipment, drawing templates, coextrusion- high gloss surface.
SYNTHOS PS GP 152 Increased heat resistance. Very good rheological properties. Excellent optical properties. Vegetable boxes for refrigerators, shower enclosure panels, CD and DVD cases, thermoformed packaging (blends with HIPS or copolymer of SBC), biaxial- oriented foil BOPS- blow molding.
SYNTHOS PS GP 535 Increased heat resistance. Very good rheological properties. Excellent optical properties. Vegetable boxes for refrigerators, shower enclosure panels, CD and DVD cases, thermoformed packaging (blends with HIPS or copolymer of SBC) biaxial- oriented foil BOPS- blow molding
SYNTHOS PS GP 154 Very good rheological properties. Excellent optical properties. Bowls, container,  screw caps, blends with HIPS or coextrusion – high gloss surface. Additional thermoforming possible.
SYNTHOS PS GP 525 Very good rheological properties. Excellent optical properties. Bowls, container, screw caps, blend with HIPS or coextrusion- high gloss surface. Additional thermoforming possible.
SYNTHOS PS GP 171 High heat resistance and mechanical strength. Excellent optical properties. Bioxial- oriented foil BOPS, XPS- lightweight insulation boards, shower enslocure panels, cups for hot drinks, blends with HIPS to increase heat resistance, elements with increased heat  or mechanical resistance.
SYNTHOS PS GP 585C High heat resistance and mechanical strength.  Excellent optical properties. Bioxial- oriented foil BOPS, XPS- lightweight insulation boards, showers enclosure panels, cups for hot drinks, blends with HIPS to increase heat resistance, elements with increased heat or mechanical resistance.
SYNTHOS PS GP 174 High heat resistance. Good rheological properties. XPS- lightweight insulation boards → direct expanding.
SYNTHOS PS GP 585A High heat resistance and mechanical strength. Excellent optical properties. Cups for hot drinks, showers enclosure panels, foil and sheet (XPS), thermoformed packaging (blens with HIPS or copoymers of SBC), vegetable boxes for refrigerators, CD and DVD cases.
SYNTHOS PS GP 545 Increased heat resistance. Excellent optical properties. Packaging for cosmetics, CD/DVD disc, vegetable boxes for refrigerators, showers enclosure panels, thermoformed packaging (blends with HIPS or copolymer of SBC) bioxal- oriented foil BOPS- blow molding.
SYNTHOS PS GP 585X High heat resistance. Good rheological properties. XPS- lightweight insulation boards → direct expanding.