Tabriz HIPS 7350ESCR High impact polystyrene

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Tabriz HIPS 7350ESCR High impact polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	HIPS 7350 ESCR is a high impact polystyrene grade with improved stress cracking resistance compared to conventional high impact polystyrene. The excellent melt strength of this grade makes it particularly suited for deep-draw thermoforming. It offers good environmental stress crack resistance at low temperatures, rendering it suitable for frozen packaging, refrigerator liners and door paneling while retaining good mechanical properties. It is recommended for packaging applications such as oily food and dairy products. This grade has food contact approval. Applications: Sheet extrusion application, Refrigerator inner liner, Refrigerator door liner, Packaging applications for oily food and dairy products. Information provided by Tabriz Petrochemical Company.
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Physical Properties	Original Value	Comments

Melt Flow	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D-1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	20.0 MPa	ASTM D638
Tensile Strength, Yield	18.0 MPa	ASTM D638
Elongation at Break	50 %	ASTM D638
Tensile Modulus	1600 MPa	ASTM D638
Izod Impact, Notched (ISO)	12.0 kJ/m²	ISO 180

Thermal Properties	Original Value	Comments
Vicat Softening Point	93.0 °C	50°C/hr 1kg; ASTM D1525

Descriptive Properties
Styrene Residual Monomer	<500 ppm	CLG LABPSG004 (Atofina Test)

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