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DOKI® POLISTIREN 457

DOKI® POLISTIREN 457 is an elastomer modified high impact polystyrene (HIPS) grade by Dioki. Exhibits uniform toughness, good processability and temperature- & chemical resistance. Is miscible with DOKI polystyrene grades, but it is not miscible with ABS or SAN plastomers. DOKI® POLISTIREN 457 is suitable for processing by extrusion and thermoforming. Designed for injection molded products having small dimensions and thick walls. Used in extruded and thermoformed products for diary industry, food processing industry and general purpose applications. Complies with European Directive 2004/19/EC and 94/62/EC.

DOKI® POLISTIREN 457 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.05 g/cc

ISO 1183

Density, Bulk

0.60 g/cc

ISO 60

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

3.0 g/10 min

(Condition H)

ISO 1133

Extrusion Properties

Value & Unit

Test Condition

Test Method

Processing (Melt) Temperature

160 - 230 °C

Tool Temperature

20 - 60 °C

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DOKI® POLISTIREN 457

DOKI® POLISTIREN 457 Properties

Physical Properties

DOKI® POLISTIREN 457 Processing Guidelines

Extrusion Properties