STYRON A-TECH™ 1290

About
STYRON A-TECH™ 1290 is a General Purpose Polystyrene material. It is available in Latin America for extrusion, injection molding, or thermoforming. Important attributes of STYRON A-TECH™ 1290 are: Flame Rated Food Contact Acceptable Good Processability High ESCR (Stress Crack Resistant) Impact Resistant Typical applications include: Containers Food Contact Applications Packaging&&

Product Description
SupplierTrinseo
GenericPS (GPPS)
Material StatusCommercial: Active
FeaturesExcellent Processability,High impact resistance,Food contact compliance,High ESCR,HB
AvailabilitysLatin America
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.03g/cm³ASTM D792
Melt Flow Rate
200℃,5.0kg3.0g/10minASTM D1238
Shrinkage rate
MD0.40 to 0.80%ASTM D955

MECHANICALNominal valueUnitTest method
Tensile modulus2400MPaASTM D638
tensile strength
fracture23.0MPaASTM D638
Tensile strain
fracture40%ASTM D638
Bending modulus2120MPaASTM D790
bending strength35.0MPaASTM D790
Tensile Rupture25.0MPaASTM D638

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch ASTM D256
23℃180J/mASTM D256
23 ℃, molded95J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed94.0ASTM D648
1.8 MPa, unannealed86.0ASTM D648
Vicat Softening Temp103ASTM D1525
Linear coefficient of thermal expansion
MD9.0E-51/℃ASTM D696

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelHB UL 94

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Barrel rear temperature199 to 213°C
Barrel middle temperature218 to 249°C
Barrel front temperature218 to 249°C
Nozzle temperature213 to 243°C
Back pressure0.200 to 1.20MPa
Barrel 1 zone temperature177 to 193°C
Barrel 2 zone temperature182 to 204°C
Barrel 3 zone temperature188 to 210°C
Barrel 4 zone temperature199 to 216°C
Barrel 5 zone temperature204 to 221°C
Connector temperature193 to 232°C
Melt temperature193 to 232°C
Nozzle temperature199 to 232°C

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