The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Centrex® 821

Centrex® 821 is a medium gloss acrylonitrile styrene acrylate (ASA) grade by A. Schulman. Exhibits good processability and medium impact-, high heat- & weather resistance. Centrex® 821 is suitable for processing by injection molding. Used in automotive exterior parts. Meets RoHS, UL E150937, UL 94 HB flame rating, EC 1907/2006 (REACH), EU 2002/96/EC (WEEE) and automotive specifications like CHRYSLER MS-DB-19 Type C CPN3409 Color: 90867 Black, DELPHI DX300105, FORD WSB-M4D833-A Color: 909067, GM GMP.ASA.001 and GM GMP.ASA.002.
Product Type
ASA (Acrylonitrile Styrene Acrylate) > ASA
Physical Form
Product Status

Centrex® 821 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.08 g/cm3
( )
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
6.7 g/10 min
(220°C, 10.0kg)
ASTM D1238
Outdoor Suitability
f2 -
( )
UL 746C

Centrex® 821 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature - Desiccant Dryer
82 - 88 °C
Drying Time - Desiccant Dryer
2.0 hrs
Suggested Max Moisture
0.10 %
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