ARLEN™ A350

About
ARLEN™   A350 (Dry) ARLEN™ A350 is a Polyamide 6T (Nylon 6T) material filled with 50% glass fiber. It is available in North America. Primary attribute of ARLEN™ A350: Flame Rated.&&ARLEN™   A350 ARLEN™ A350 by Mitsui Chemicals is a modified polyamide 6T reinforced with 50% glass fiber. Possesses high dimensional stability, high melting point (320°C), minimum water absorption and high glass transition point (125°C). Exhibits good chemical and heat resistance. Offers high rigidity even in a high-temperature atmosphere such as the inside of an engine room. Is suitable for processing by injection molding. ARLEN™ A350 is used in mechanical and structural applications including under the hood parts such as cooling system parts, cylinder head covers, thermostat cases, hydraulic system pistons and oil pump housings. Recommended for light-load tribological application parts of office automation equipment. Complies with UL 94 HB flame rating. Features: Possesses high dimensional stability, high melting point (320°C), minimum water absorption and high glass transition point (125°C). Exhibits good chemical and heat resistance, and high rigidity. Applications: ARLEN™ A350 is used in mechanical and structural applications including under the hood parts such as cooling system parts, cylinder head covers, thermostat cases, hydraulic system pistons and oil pump housings. Recommended for light-load tribological application parts of office automation equipment.&&

Product Description
SupplierMitsui
GenericPA 6T
Material StatusCommercial: Active
FeaturesHB
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.63g/cm³ASTM D792
Shrinkage rate
TD:2.0 mm0.60%ASTM D955
MD:2.0 mm0.20%ASTM D955
Water absorption rate ASTM D570
23℃,24hr0.20%ASTM D570
100℃,24hr1.2%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch150J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed310ASTM D648
Glass transition temperature125DSC
Melting temperature320
Linear coefficient of thermal expansion
TD4.2E-51/℃ASTM D696
MD1.8E-51/℃ASTM D696

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+16ohms·cmASTM D257
Dielectric strength29kV/mmASTM D149
Dielectric constant
1 MHz4.50 ASTM D150
Dissipation factor
1 MHz0.018 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelHB UL 94

MECHANICALNominal valueUnitTest method
tensile strength300MPaASTM D638
Tensile strain
fracture3.0%ASTM D638
Bending modulus17000MPaASTM D790
bending strength430MPaASTM D790
Rockwell hardness
M-level110 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature110°C
Drying time2.0 to 6.0hr
Hopper temperature50 to 90°C
Barrel rear temperature315 to 330°C
Barrel middle temperature320 to 335°C
Barrel front temperature325 to 340°C
Nozzle temperature325 to 340°C
Mold temperature90 to 140°C
Injection speedModerate 
Screw speed150rpm

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