Denka Styrol MF-21 Denka Polystyrene, General Purpose

General

Material Status

Availability

Features

Forms

Processing Method

Physical	Nominal Value	Unit	Test Method
Density		g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)		g/10 min	ISO 1133
Molding Shrinkage - Flow		%	ISO 294-4
Mechanical	Nominal Value	Unit	Test Method
Tensile Stress (Yield, 73°F)		psi	ISO 527-2
Tensile Strain (Break, 73°F)		%	ISO 527-2
Flexural Modulus (73°F)		psi	ISO 178
Flexural Strength (73°F)		psi	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength (73°F)		ft·lb/in²	ISO 179
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (M-Scale, 73°F)			ISO 2039-2
Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed		°F	ISO 75-2/B
264 psi, Unannealed		°F	ISO 75-2/A
Vicat Softening Temperature
--		°F	ISO 306/A
--		°F	ISO 306/B
Optical	Nominal Value	Unit	Test Method
Refractive Index			ASTM D542
Transmittance		%	ASTM D1003
Haze		%	ASTM D1003
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Denka Styrol MF-21, Denka Styrol MF21, Denka Styrol , DenkaStyrolMF21, DenkaStyrol, MF, StyrolMF-21, StyrolMF21, StyrolMF:21, StyrolMF/21, StyrolMF+21, StyrolMF_21, StyrolMF 21, StyrolMF, MF-21, MF21, MF:21, MF/21, MF+21, MF_21, MF 21, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, Denka, PolystyreneGeneralPurpose, PSGPPS, 21MF, 21StyrolMF
Features
Features may also be described by the following terms: Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, High Stiffness, High Heat Resistance.

Notes

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

Denka Styrol MF-21