The new engineering materials powerhouse

by SpecialChem

DOKI® POLISTIREN 680 L

DOKI® POLISTIREN 680 L is a transparent general purpose polystyrene (GPPS) grade by Dioki. Exhibits high melt flow, excellent optical properties, excellent processability, good thermal stability and dimensional stability. DOKI® POLISTIREN 680 L is designed for extrusion, foam extrusion, mixing with other polistiren grades and injection molding of thick-walled molded products. Used in foamed extruded polystyrene panels (XPS)and packaging of cosmetics and medicines. Complies with European Directive 2004/19/EC and 94/62/EC.

DOKI® POLISTIREN 680 L 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)

4.0 g/10 min

(Condition H)

ISO 1133

Extrusion/Injection Molding Properties

Value & Unit

Test Condition

Test Method

Processing (Melt) Temperature

160 - 230 °C

Tool Temperature

20 - 60 °C

Want to list or
update your products?

View the listing options

Want to report errors or
suggest improvements?

Send a Feedback

Products with the same brand name

View more (6)

DOKI® POLISTIREN 680 L

DOKI® POLISTIREN 680 L Properties

Physical Properties

DOKI® POLISTIREN 680 L Processing Guidelines

Extrusion/Injection Molding Properties