STYRON™ 404-AMST Americas Styrenics Polystyrene, General Purpose

General

Material Status

Availability

Uses

Agency Ratings

Forms

Processing Method

Physical	Nominal Value	Unit	Test Method
Specific Gravity			ASTM D792
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)		g/10 min	ASTM D1238
Molding Shrinkage - Flow		in/in	ASTM D955
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus		psi	ASTM D638
Tensile Strength (Break)		psi	ASTM D638
Tensile Elongation (Break)		%	ASTM D638
Flexural Modulus		psi	ASTM D790
Flexural Strength		psi	ASTM D790
Tensile Rupture		psi	ASTM D638
Impact	Nominal Value	Unit	Test Method
Notched Izod Impact			ASTM D256
73°F		ft·lb/in
73°F, Compression Molded		ft·lb/in
Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load			ASTM D648
66 psi, Unannealed		°F
264 psi, Unannealed		°F
Vicat Softening Temperature		°F	ASTM D1525
CLTE - Flow		in/in/°F	ASTM D696
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: STYRON™ 404-AMST, STYRON 404AMST, STYRON™ , STYRON, STYRON404AMST, 404, 404-AMST, 404AMST, 404:AMST, 404/AMST, 404+AMST, 404_AMST, 404 AMST, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, Americas Styrenics, PolystyreneGeneralPurpose, PSGPPS, AMST404
Uses
Uses may also be described by the following terms: Compounding, Compounds.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1).

Injection	Nominal Value	Unit
Rear Temperature		°F
Middle Temperature		°F
Front Temperature		°F
Nozzle Temperature		°F
Back Pressure		psi
Extrusion	Nominal Value	Unit
Cylinder Zone 1 Temp.		°F
Cylinder Zone 2 Temp.		°F
Cylinder Zone 3 Temp.		°F
Cylinder Zone 4 Temp.		°F
Cylinder Zone 5 Temp.		°F
Adapter Temperature		°F
Melt Temperature		°F
Die Temperature		°F
Extrusion Notes
Polish Rolls: 66 - 104 °C Head Pressure: 10 - 21 MPA

Notes

¹Typical properties: these are not to be construed as specifications.

STYRON™ 404-AMST